Third parties get my voice recordings for "improving the voice recognition service" - what if my name is mentioned in the background of one of those recordings? What if I'm not a savvy user and add private data to those recordings?
You're also talking about what's in place today. If I give Google my data, that data is probably going to stay with Google as long as they are a business (and potentially after, if Google were ever liquidated and their assets sold off). What measures are in place to protect me then?
I'm responding to a comment that said trusting Google == trusting ALL Google employees, which is not true. Trusting Google with your data is believing that having some convenience (a mail service like Gmail, an intelligent assistant, etc.) is worth the risks you are talking about: Google drastically changing their policy, or being bankrupt and acquired by less scrupulous owners, etc.
Let's not just act like anybody at Google can look at your data and play with it, or a disgruntled employee will suddenly click a button and release all users' data on pastebin...
What guarantee do you have that these policies will never change in the future? Or are you simply assuming that risks never change?
More important is your assumption that the decision would even be made by Google. Outside forces such as governments may force Google's hand.
> able to say
It doesn't matter what is said. If Google had sufficient deniability (perhaps an NSL gag order? or a sufficiently high purchase price?), they can say user personal data is secure while sending it outside their control.
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The only guarantee that would be believable is if they indemnified their users against any future damages derived from their data collection, and there is no way Google (or any company) would willingly accept that kind of liability.
Being ordered by a judge to do something obviously supersedes any policy, but that's the case for any person and business.
Which we have to take their word on and hope that never changes in the future, even though Google might not be the party with the authority to make that decision. Even when they are, business plans change and a pile of potentially profitable user data is a very powerful temptation towards moral hazard. Only a fool would claim that this wasn't a risk.
> that's the case for any person and business.
Only if you deliberately ignore the entire point that the data shouldn't be stored at all by 3rd parties. A business that sold a real product (instead of a service masquerading as a product) would run locally and no data would be put at risk.
If a judge orders me personally to reveal something, they probably need a warrant and there is a process by which I can challenge that order. If, however, that data is stored on Google's servers then I don't have standing to challenge any interaction between Google and the government.
A very limited number of Google employees have access to private user data (only when it's vital to their work) and they have strict policies in place (data does not leave the data centers etc.). Which third parties are you referring to? As far as I know, Google does not give their users' private data to a third party.