It looks like a cute little dolphin-themed toy, but the Flipper Zero is a surprisingly powerful learning tool for hacking. Here's how I mastered mine—and how you can, too.

Think you know iOS inside out? Well, think again. Unlock your iPhone's full potential with these hidden tweaks.

Remember, way back, when Flash games were all the hype, and you had a friend come over to play a game together? You'd share the same keyboard, with one of you controlling a character with the arrow ...