If you're still using a 4G smartphone along with a T-Mobile SIM card, it may be time for you to upgrade to a 5G handset as T-Mobile is phasing out 4G.

People who tweet overnight report lower wellbeing, a Bristol study finds, though links to depression and anxiety are weak.

You can easily log out of your Twitter account on a computer or mobile device in a few simple steps.

It's easy to stop all or some of the emails Twitter sends you in just a few steps. Here's how to stop Twitter emails on a computer or mobile device.