There's a hidden language that's part of the GSM standard that can unlock hidden features on your smartphone. You can dial codes to check your bill, data usage, forward calls, hide your caller ID, and ...

This vendor-written tech primer has been edited by Network World to eliminate product promotion, but readers should note it will likely favor the submitter’s approach. Smartphone users download ...

Nicholas Merrill has spent his career fighting government surveillance. But he would really rather you didn’t call what he’s selling now a “burner phone.” Yes, he dreams of a future where anyone in ...