The forthcoming Toughbook tablet will be “designed and constructed with the mission-critical mobile user in mind”, the firm says, which is marketing-speak for “it’ll be pricey”.

It looks cheap today, but will you regret signing up? Tablets aren’t exactly cheap, but you can get a significant discount if you sign up for a contract. Instead of paying £500-plus for a 3G iPad, mobile phone firms will give you one for as little as £99. So what’s the catch?