Mobile phone users in the UK who are also customers of wireless carrier O2 would have at their disposal new options when it comes to their Pay & Go handsets, the operator, and Facebook. To be more ...

Correction: A previous version of this story stated the pilot program found conversion rates increased 123%. Converter rates are the correct metric and they improved by as much 123%. Brands and ...

Users can top up their accounts through a secure app on the page by entering information including their credit card details. Purchases are confirmed on their phone via SMS. The Facebook PAYG top-up ...