Via “Anders Jacobsen”:http://www.jacobsen.no/anders/blog/archives/2003/02/25/voicemail_usability.html I found “Wildtones”:http://www.wildfire.com/wildtones_demo.asp.
bq. WildTones is a unique sing-your-own-ringtone service that enables wireless carriers to grow market share and drive revenue by letting their subscribers create highly personalized ringtones to match their individual personalities and musical preferences-with just their phones.
I can’t even begin to imagine the horror of thousands of highly personal, tonedeaf versions of the Ketchup Song.