I heard there was this ringtone service they provided that
required you to opt out. If you didn't opt out through sms,
they would bill you for it. Some people got shocked when
their bill suddenly increased by a few bucks. 
Yes, it's the colormetones service. Fark
that service, when people call you, first thing they ask is why you
put that ridiculous french song as your ringtone, in which you
reply:"I did? What ringtone?" And then you call yourself just to
verify.