The Apple Watch, originally announced in September last year, is to go on sale in Australia, Canada, China, France, Germany, Hong Kong, Japan, the UK and the USA from Friday 24th April.

It’s a companion device for customers with an Apple iPhone 5, iPhone 5c, iPhone 5s, iPhone 6 or iPhone 6 Plus.

Mark Bridge learns about the mobile technology trends at Mobile World Congress 2015 by chatting to James Rosewell of 51Degrees, Dr Kevin Curran from the IEEE and Chris Millington of Doro.

They talk about wearable devices, wireless charging, mobile operating systems and much more... including some of their favourite products from the exhibition.

Device detection specialist 51Degrees has worked with The Away Foundation to demonstrate the relative popularity of mobile handset manufacturers around the world.

They’ve created an interactive globe that can be viewed from almost any web browser, including smartphones and tablets.

We're taking a look back at the biggest mobile industry news stories from February 2015, including allegations that the UK's security service tried to breach SIM card security by hacking into one of the world's biggest SIM producers.

We also talk about the planned BT and EE merger, the creation of two new UK virtual networks, some acquisitions in the mobile payment arena and a new Ubuntu smartphone.

Samsung Electronics has agreed to acquire mobile wallet service LoopPay.

LoopPay’s products can allow a retailer’s conventional card reader to also accept contactless payments, with the ability to work with around 90% of all point-of-sale terminals in the USA.