Those websites don't have my phone number.
The ads/analytics providers very well might. They gather data and cross-reference from tons of different sources.
And I don't know about you, but I've put my phone number into a lot of apps and sites. Sometimes it's required, sometimes it's for 2FA, etc.
alt Hacker News
The ads/analytics providers very well might. They gather data and cross-reference from tons of different sources.
And I don't know about you, but I've put my phone number into a lot of apps and sites. Sometimes it's required, sometimes it's for 2FA, etc.