PayPal

PayPal is a real-time payment and money transfer solution available globally. Businesses and customers with PayPal accounts can easily send and receive payments online without the need to turn to more traditional payment mechanisms.

The total value of PayPal transactions in 2011 was $118 billion, generated by 110 million active registered accounts and owned by customers in 190 markets worldwide. PayPal mobile payment volume in 2011 was $4 billion, growing from $750 million in mobile payments in 2010. (Active accounts are those that have had activity in the past 12 months.)