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Google confirms it’s pulling the plug on Streams, its UK clinician support app – TechCrunch

Google is infamous for spinning up products and killing them off, often in terse order. It’s an annoying enough habit when it’s stuff like messaging apps and games. But the tech giant’s ambitions stretch into many domains that touch human lives these days, including, most directly, healthcare. And — it turns out — so does Google’s tendency to kill off products that its PR has previously touted as “life-saving”.

To wit: Following a recent reconfiguration of Google’s health efforts — reported earlier by Business Insider — the tech giant confirmed to TechCrunch that it is decommissioning its clinician support app, Streams. The app, which Google Health PR bills as a “mobile medical device”, was developed back in 2015 by DeepMind, an AI division of Google — and has been used by the U.K.’s National Health Service in the years since, with several NHS Trusts inking deals with DeepMind Health to roll out Streams to their clinicians. At the time of writing, one NHS Trust — London’s Royal Free — still uses the app in its hospitals.


But, presumably, not for too much longer, since Google is in the process of taking Streams out back to be shot and tossed into its Deadpool — alongside the likes of its ill-fated social network, Google+, and Internet balloon company Loon, to name just two of a frankly endless list of now-defunct Alphabet/Google products. Other NHS Trusts we contacted, which had previously rolled out Streams, told us they have already stopped using the app. University College London NHS Trust confirmed to TechCrunch that it severed ties with Google Health earlier this year.

“Our agreement with Google Health (initially DeepMind) ended in March 2021 as originally planned. Google Health deleted all the data held at the end of the [Streams] project,” a UCL NHS Trust spokesperson told TechCrunch. Imperial College Healthcare NHS Trust also told us it stopped using Streams this summer (in July) — and said patient data is being deleted. “Following the decommissioning of Streams at the Trust earlier this summer, data that Google Health has processed to provide the service to the Trust will be deleted, and the agreement has been terminated,” a spokesperson said.

“As per the data-sharing agreement, any patient data that Google Health has processed to provide the service will be deleted. The deletion process is started once the agreement has been terminated,” they added, saying the contractual time frame for Google deleting patient data is six months. Another Trust, Taunton & Somerset, also confirmed its involvement with Streams had already ended. The Streams contracts DeepMind inked with the NHS Trusts were for five years — so these contracts were likely approaching the end of their terms, anyway.

Contract extensions would have had to be agreed upon by both parties. Google’s decision to decommission Streams may be factoring in a lack of enthusiasm from involved Trusts to continue using the software — although if that’s the case, it may, in turn, reflect Trusts’ perceptions of Google’s weak commitment to the project. Neither side is saying much publicly. But as far as we’re aware, the Royal Free is the only NHS Trust still using the clinician support app as Google prepares to cut off Stream’s life support.

No more Streams?

The Streams story has plenty of wrinkles, to put it politely. For one thing, despite being developed by Google’s AI division — and despite DeepMind founder Mustafa Suleyman saying the goal for the project was to find ways to integrate AI into Streams so the app could generate predictive healthcare alerts — the Streams app doesn’t involve any artificial intelligence. An algorithm in Streams alerts doctors to the risk of a patient developing acute kidney injury but relies on an existing AKI (acute kidney injury) algorithm developed by the NHS. So, Streams essentially digitized and mobilized current practice.

As a result, it always looked odd that an AI division of an adtech giant would be so interested in building, provisioning, and supporting clinician support software over the long term. But then — as it panned out — neither DeepMind nor Google was in it for the long haul at the patient’s bedside. DeepMind and the NHS Trust it worked with to develop Streams (the Royal mentioned above Free) started with broader ambitions for their partnership — as detailed in an early 2016 memo, which we reported on, which set out a five-year plan to bring AI to healthcare. Plus, as we noted above, Suleyman kept up the push for years — writing later in 2019 that: “Streams doesn’t use artificial intelligence at the moment, but the team now intends to find ways to safely integrate predictive AI models into Streams to provide clinicians with intelligent insights into patient deterioration.”

A critical misstep for the project emerged in 2017 — through press reporting of a data scandal, as details of the full scope of the Royal Free-DeepMind data-sharing partnership were published by New Scientist (which used a freedom of information request to obtain contracts the pair had not made public). The U.K.’s data protection watchdog went on to find that the Royal Free did not have a valid legal basis when it passed the information on millions of patients to DeepMind during the development phase of Streams. This perhaps explains DeepMind’s eventually cooling ardor for a project it had initially thought — with the help of a willing NHS partner — would provide it with free and easy access to a rich supply of patient data for it to train up healthcare AIs which it would then be, seemingly, perfectly positioned to sell back into the same self-service in future years—price TBC.

No one involved in that thought had studied the ddetailsof U.K. healthcare data regulation correctly and clearly. Or — most importantly — bothered to consider fundamental patient expectations about their private information. So it was not surprising when 2018 DeepMind announced that it was stepping away from Streams — handing the app (and all its data) to Google Health — Google’s internal health-focused division — which went on to complete its takeover of DeepMind Health in 2019. (Although it was still shocking, as we opined then.)

It was Google Health that Suleyman suggested would be carrying forward the work to bake AI into Streams, writing at the time of the takeover that: “The combined experience, infrastructure, and expertise of DeepMind Health teams alongside Google’s will help us continue to develop mobile tools that can support more clinicians, address critical patient safety issues and could, we hope, save thousands of lives globally.” A particular irony attached to the Google Health takeover bit of the Streams saga is that DeepMind had, when under fire over its intentions toward patient data, claimed people’s medical information would never be touched by its adtech parent.

Until, of course, it handed the whole project off to Google — and then lauded the transfer as great news for clinicians and patients! Google’s takeover of Streams meant NHS Trusts that wanted to continue using the app had to ink new contracts directly with Google Health. And all those that had rolled out the app did so. It’s not like they had much choice if they did want to continue. Again, jump forward a couple of years. Google Health is now suddenly facing a significant reorg — with Streams in the frame for the chop as part of Google’s perpetually reconfiguring project priorities.

It is quite the ignominious ending to an already infamous project. DeepMind’s involvement with the NHS had previously been seized upon by the U.K. government — with the former health secretary, Matt Hancock, trumpeting an AI research partnership between the company and Moorfield’s Eye Hospital as an exemplar of the kind of data-driven innovation he suggested would transform healthcare service provision in the U.K. Luckily for Hancock, he didn’t pick Streams as his example of excellent “health tech” innovation. (Moorfields confirmed that its research-focused partnership with Google Health is continuing.)

The hard lesson here appears to be don’t bet the nation’s health on an adtech giant that plays fast and loose with people’s data and doesn’t think twice about pulling the plug on digital medical devices as internal politics dictate another chair-shuffling reorg. Patient data privacy advocacy group MedConfidential — a key force in warning over the scope of the Royal Free’s DeepMind data-sharing deal — urged Google to ditch the spin and come clean about the Streams cock-up, once and for all.

“Streams is the Windows Vista of Google — a legacy it hopes to forget,” MedConfidential’s Sam Smith told us. “The NHS relies on trustworthy suppliers, but companies that move on after breaking things create legacy problems for the NHS, as we saw with Wanna Cry. Google should admit the decision, delete the data, and learn that experimenting on patients is regulated for a reason.”

Questions over Royal Free’s ongoing app use

Despite the Information Commissioner’s Office’s 2017 finding that the Royal Free’s original data-sharing deal with DeepMind was improper, it’s notable that the London Trust stuck with Streams — continuing to pass data to DeepMind. The initial patient database shared with DeepMind without a valid legal basis was never ordered to be deleted. Nor — presumably, has it since been deleted. Hence, the weight of the call for Google to delete the data now.

Ironically, the improperly acquired data should (in theory) finally get deleted — once contractual timeframes for any final backup purges elapse — but only because Google plans to switch off Streams. And yet the Royal Free confirmed that it is still using Streams, even as Google spins the dial on its commercial priorities for the umpteenth time and decides it’s not engaging in this particular bit of clinician support. We put several questions to the Trust — including about deleting patient data — none of which it responded to.

Instead, two days later, it sent us this one-line statement that raises plenty more questions — saying only that: “The Streams app has not been decommissioned for the Royal Free London, and our clinicians continue to use it for the benefit of patients in our hospitals.” It is unclear how long the Trust will be able to use an app Google is decommissioning. Nor how wise that might be for patient safety — for example, if the app won’t get necessary security updates.

We’ve also asked Google how long it will continue to support the Royal Free’s usage — and when it plans to switch off the service. (Earlier, a Google spokeswoman told us the Royal Free would continue to use Streams for the “near future,” — but she did not offer a specific end date.) as well as which the internal group will be responsible for any SLA requests coming from the Royal Free as the Trust continues to use software Google Health is decommissioning — and will update this report with any response.

In press reports this month on the Google Health reorg — covering an internal memo first obtained by Business Insider — teams working on various Google Health projects were reported to be split up into other areas, including some set to write into Google’s search and AI teams. So, an interesting question is which Google group will take over responsibility for handling the SLA with Royal Free due to the Google Health reshuffle.

In earlier comments, Google’s spokeswoman told us the new structure for its reconfigured health efforts — which are still being badged “Google Health” — will encompass all its work in health and wellness, including Fitbit, AI health research, Google Cloud, and more. On Streams specifically, she said the app hadn’t cut because when Google assimilated DeepMind Health, it decided to focus its efforts on another digital offering for clinicians — called Care Studio — which it’s currently piloting with two U.S. health systems (namely, Ascension & Beth Israel Deaconess Medical Center).

And anyone who’s ever tried to use a Google messaging app will indeed have strong feelings of déjà vu on reading that. DeepMind’s co-founder, meanwhile, appears to have remained blissfully ignorant of Google’s intentions to ditch Streams in favor of Care Studio — tweeting back in 2019 as Google completed the takeover of DeepMind Health that he had been “proud to be part of this journey”, and also touting “huge progress delivered already, and so much more to come for this incredible team”.

In the end, Streams isn’t being “supercharged” (or leveled up to use current faddish political parlance) with AI — as his 2019 blog post had envisaged — Google is simply taking it out of service. Like it did with Reader, Allo, Tango, Google Play Music, or…. well, the list goes on. Suleyman’s own story contains some wrinkles, too. He is no longer at DeepMind but has been “folded into” Google — joining as a VP of artificial intelligence policy after initially being placed on an extended leave of absence from DeepMind.

In January, the WSJ reported allegations that he had bullied staff. And then, earlier this month, Business Insider expanded on that — reporting follow-up allegations that there had been confidential settlements between DeepMind and former employees. They had worked under Suleyman and complained about his conduct (although DeepMind denied any knowledge of such payments).

In a statement to Business Insider, Suleyman apologized for his past behavior — and said that in 2019, he had “accepted feedback that, as a co-founder at DeepMind, I drove people too hard and at times my management style was not constructive”, adding that he had taken time out to start working with a coach and that that process had helped him “reflect, grow and learn personally and professionally”. We asked Google if Suleyman would like to comment on the demise of Streams — and on his employer’s decision to kill the app — given his high hopes for the project and all the years of work he put into that particular health push. However, the company did not engage with the request. We also offered Suleyman the chance to comment directly. We’ll update this story if he responds.


I have always enjoyed writing and reading other people's blogs. I started writing a journal as a teenager and have since written numerous books and articles. My blog is a place where I can write freely about my personal interests and those of others.

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