Your iPhone's cache memory helps keep things zippy, but it can slow down as unused and corrupt files accumulate. Fortunately, a regular spring clean can help.

Unbox and power up a brand new iPhone and you'll find there are plenty of apps already on there—which, broadly speaking, is good! You can start browsing the web, checking your email, streaming music, ...

I started my career with CNET all the way back in 2005, when the (original) Motorola Razrs were all the rage. Since then, I've written about everything from consumer electronics to internet culture ...