"Jennifer King, who serves as Director of Consumer Privacy for Stanford Law School’s Center for Internet and Society, noted that such terms of service often are “very non-transparent” and could make it difficult for users to make an informed choice about whether to opt in to contact tracing.
“My concern is that … even if [the apps are launched] by public health agencies,” King said, “we’ll see a process that looks like what we already see on the consumer side of things, where you get a very legalistic privacy policy that doesn’t do a good job of trying to explain to you in plain English what you’re engaging in, what you’re participating in, and for how long your data might be used.”"