Stop giving companies your phone number. Do this instead
Facebook and Twitter admit that marketers accessed the phone numbers people gave them for security verification. Here’s how to protect yourself without handing over your digits.
10 Oct 2019 ... Facebook and Twitter admit that marketers accessed the phone ... Here's how to protect yourself without handing over your digits. ... Twitter requires a phone number for 2FA, even if you use an app, ... One catch: Google requires you to provide a real phone number when you sign up for Google Voice.