Apple CEO Tim Cook reveals the device's latest milestone to prep the stage for the company's new devices.
But the pace of purchases has dropped off dramatically since the first three weeks after the Xbox One went on sale.
The education software developer has sold its business to private equity firm Hellman & Friedman.
The PlayStation 4 went on sale at midnight last night, joining the Xbox One in next-gen console combat -- if you can find one.
The service that streams over-the-air TV fell short of its 2013 expansion goals, but growth continues despite mounting legal battles.
The estimate from analyst Toni Sacconaghi Jr. would top the Wall Street consensus of around 55 million units.
The wallet-friendly Lumia 520 drove the 19 percent quarter-on-quarter increase.
Analysts contacted by Fortune predict a 10 percent rise in iPad sales over those from the final quarter of 2012.
Tesco's £119 tablet was unquestionably the Brit hit of the Christmas season, with 100,000 sold in the last month.
The Japanese electronics company says the PlayStation 4 launch was the biggest console launch ever.