An excellent answer on Quora shows what old school (10 years old) payment services look like, and also explains why is MB only active in adult and gambling (without mentioning it’s obscene pricing).
EDIT: See Daniel’s response below, it seems like the facts here are disputed (as well as my understanding of Skrill’s business model. I haven’t looked at the company deeply since 2005 or maybe a bit later). My apologies to the team.
Read Quote of Patrice Laperriere’s answer to Why nobody uses Moneybookers (now called Skrill) anymore? What’s wrong with this payment system? on Quora