Rahul Naskar has years of experience writing news and features related to Android, phones, and apps. Outside the tech world, he follows global events and developments shaping the world of geopolitics.

Do you pay for text messaging? If you have a smartphone, you don’t have to. There are plenty of mobile messaging app alternatives that you can try at no cost. They work with different types of phones, ...

With news this week of the messaging app being used to discuss war plans, we get you up to speed on what Signal should be used for—and what it shouldn’t. MIT Technology Review Explains: Let our ...