Top 5 stories: CES madness, porn on Vine, Office 365, Raspberry Pi and Sphero the robotic ball

Making headlines this week...

CES 2013 will drive you crazy

In the latest edition of Activ8 we travel to Las Vegas to see what's on show at CES, the world's largest technology exhibition.

From huge 4K HD TVs from the likes of Samsung, Sony, LG and Hisense to Huawei's 6.1" Ascend Mate smartphone, there were lots of exciting things on show.

We challenge Alan to see as many new products as possible in one day. He's still recovering.

Twitter apologises for six-second porn deluge on Vine

Twitter has been forced to apologise after it promoted pornography on its new video sharing app, Vine.

Launched on Thursday, Vine allows people to share six second videos with anyone following them on the social network.

Days after it went live the new service was cluttered with pornographic videos. One inexplicably became an 'Editor's Pick' and was promoted on the Vine homepage.

Microsoft pins hopes on subscriptions with Office 365 Home Premium

Microsoft has released the latest version of Office, calling it a "reinvention" of its productivity suite.

Office 365 Home Premium is a subscription-based service, with an annual cost of £79.99 or a monthly cost of £7.99. For that users can install the software on five devices including PCs, Macs and tablets and smartphones.

Google donates 15,000 Raspberry Pis to UK schoolchildren

Google has stumped up the cash to donate 15,000 Raspberry Pis to UK schools.

The Raspberry Pi Foundation said it was "made up" over the news, which will also see 15,000 Raspberry Pi teaching and learning packs distributed to schools from examining body OCR. Raspberry Pi, a credit-card sized single-board computer, costs just over £26.

Sphero: amazeballs or pile of balls?

A robotic glowing ball that can be controlled with a smartphone or tablet - it may sound stupid, but it is actually remarkably good fun.

Sphero is a small plastic ball with glowing lights that, when paired with a smartphone or tablet, can be used in a variety of ways. In its default state it can race around the floor, controlled using an Android or iOS app.

Find out more in our full review.