T-Mobile's 'Scam Shield' lets you weed out scam calls with a second number

For those who have been inundated by robocalls and other scams – which means anyone with a mobile phone, pretty much – it's hard to imagine them ever going away. Could T-Mobile's "Scam Shield" actually help?

The free service for T-Mobile and Sprint subscribers attacks the problem in a number of ways. There's caller ID that can spot incoming scan calls and block them. No-cost phone number changes once per year, too. But the most unusual wrinkle of all is the ability to create a proxy phone number.

Starting on July 24, subscribers to Magenta or Essentials phone plans will be able to create a second phone number for free while keeping their main number private. So if you're signing up for something on a website, for example, you can provide your proxy number instead of your main one. Read more...