Apple CEO Steve Jobs has launched the company's iPad 2 tablet device at a press event today.

It has the same 9.7-inch screen size (and resolution) as the original iPad but is 33% thinner and is also lighter. The device includes Apple's new 1GHz dual-core A5 processor and two cameras, with a front-facing camera for 'FaceTime' video calls and a rear-facing camera for 720p HD video recording.

America's second National Day of Unplugging, which takes place on 4th-5th March 2011, has a mobile phone application to encourage non-use of mobile phones.

The event is being coordinated by Reboot, a group that's trying to reinvent Jewish culture and traditions for the 21st Century. Reboot suggests that everyone - regardless of background or religion - can benefit from taking a day off to relax and 'unplug' from their working week.

New figures from PopCap Games have shown large increases in the usage and frequency of mobile game playing among US and UK adults.

33.6% of all adults in the USA and the United Kingdom say they've played a game on their mobile phone handset in the past month, with almost a quarter (24.6%) having played in the past week. The figure was much higher for smartphone users; 83% of them had played in the past week.

It's reported that the US Federal Trade Commission will investigate the way in-application charges are sold and applied by app stores.

It follows recent complaints that 'virtual currency' is too easy to buy, particularly when children are using mobile devices.

Market Research company NPD Group says the digital camera is still the preferred device for taking photos, according to its new study from the USA. However, mobile phone usage is catching up.

51% of all pictures taken were captured by a digital camera. Next was the mobile phone at 42%, although this figure varied quite dramatically depending on the user's age.