Acetrax Movies, the video on-demand service bought by Sky last year, is to shut down on 21 June. We explain how to get a refund on the HD movies you've bought. Read more on Acetrax Movies' closure

Want to save a packet on your mobile phone bill? You don’t have to stop phoning your parents or give up your daily tweeting. From cheap browsing with Opera Mini to getting online content when offline with Pocket there are some easy ways to cut costs. Read on for how to save money on your mobile phone data bill

Yahoo has confirmed it's buying the blogging platform Tumblr for $1.1 billion and promised "not to screw it up". In this spirit, we run down the worst tech takeovers of all time. Read more about ill-fated tech company takeovers

With mobile phone cameras becoming increasingly sophisticated and starting to rival dedicated point and click cameras we take a look at five of the best camera phones. Read more about the best camera phones

Our survey of 20 travel insurance providers revealed that almost all won't cover the full cost of a replacement phone, iPad or laptop. In some  cases, you'll get less than half the cost of a replacement device. Read more about travel insurance and tech

Security software is as essential for your PC as a seatbelt is for your car. But how do you choose which security software to run on your computer? Read more about choosing the best security software

Lousy battery life, a grainy screen with weedy colours and a nasty plastic design - these are just some of the features that make a bad tablet. At Which? we test tablets to their max identifying the best and worst on the market. Here we list the top five things to look out for to make sure you don't end up with a Don't Buy tablet. Read more about how to spot a Don't Buy tablet

We round up top five best camcorders available for under £250 from handheld to full HD models. Read on to discover the key features to look out for and what you can expect for your money. Read on for the top five best camcorders for under £250

We search for the best maps app from a roster of mobile downloads including Google Maps, Apple Maps, Nokia's Here Maps and BlackBerry Maps. Find out which one confused London, England for London, Canada. Read on to find out the best apps app

It might say 16GB on the box but our lab tests have discovered you aren't getting the amount of storage you might expect. On some phones you could be getting less than half the total advertised. Read more about true phone storage