Before this week's big Nokia announcement let us introduce you to the Nokia N79. Boasting HSDPA, Wi-Fi, GPS, an FM transmitter so you can play your tunes through a radio, a 3.5mm headphone jack and a 5-megapixel camera, the Nokia N79 is a rather nifty phone if ever we saw one. What's clever about the Nokia N79 though is that when you change its battery cover to one of the three provided covers in the box, it automatically changes the N79's theme to match. OK, so it's not a mind-blowing feature but it does show how software can be integrated with hardware to offer users something different
