Three UK has published a breakdown of the amount of data used by its mobile broadband customers; people connecting to the internet using a mobile broadband 'dongle' or a MiFi mobile WiFi router.

Social network Facebook is the most popular service based on data usage, followed by social gaming site Zynga.

The Qualcomm Innovation Center – the part of Qualcomm that focuses on mobile open source software – has acquired iSkoot Technologies. iSkoot makes it easier for mobile manufacturers and network operators to put social networks and internet services on mobile handsets while cutting the amount of data consumed.

Research company comScore has published a survey comparing mobile usage and behaviour in Japan, the United States and Europe. It found significant differences between the three regions, with almost twice as many Japanese mobile users using their mobiles to go online (browsing, accessing applications or downloading content) as European users.

UK-based MePlease has officially launched a unique mobile social platform that makes it easy for businesses to connect with their customers – and easy for customers to choose which restaurants and shops can send treats and special offers to their mobiles. The platform is capable of supporting mobile voting, competitions, customer feedback, location check-ins and promotional offers.

Research In Motion revealed a new tablet device and associated operating system at its developer conference yesterday. The BlackBerry PlayBook tablet will arrive in the USA early next year (and in other markets from Q2 2011), while the BlackBerry Tablet OS software development kit is planned for release in the next few weeks.