"Here lies the standard disclaimer: rooting your phone's
firmware is probably a violation of your warranty, and using that
rooted phone in unauthorized fashion -- like, say, tethering your
Android data connection to a laptop -- is almost certainly a breach
of contract. You can usually return your phone to factory-like
condition, and you don't have to do anything tricky with your
device. In any case, though, you're taking the risk of voiding your
warranty, and if something happened to go wrong, it's up to you and
some clever Google queries to fix it.
"With that stern talking-to out of the way, here are 5 good
reasons to take a few tentative steps into the Mos Eisley Cantina
of the Android world."