Some tech providers are looking to phone numbers as the cookie killer – but privacy and user reticence are potential roadblocks. Digits, however, are a tantalizingly sticky bridge between online and ...

Caller ID is standard now, but it wasn't always. When widespread adoption started in the 1990s, it was controversial to the point that it was widely viewed as an invasion of privacy. For people with ...

Your phone number cannot be blocked while calling toll-free numbers or emergency services. The temporary way of keeping your mobile number invisible from caller ID is as easy as 1, 2, 3. Actually, ...

Our personal tech columnist asked security researchers what they could find out about him from just his cellphone number. Quite a lot, it turns out. By Brian X. Chen For most of our lives, we have ...