Don’t visit this site!
If you like coming up with good ways to spend a lot of time on doing basically nothing, yet feeling you’re getting something done, check out:
where you can use mathematical formulas to come up with your own ring tones. Very cool.
Here’s what I came up with after “investing” 15 minutes:
http://tones.wolfram.com/id/GqAr7bT6K3NsPnBu23ZVHFEDYElwlwmdixIKNicWkRynse