For anyone tempted to sell their old tablet on ebay beware, particularly if it belongs to one of your children. Recent research has revealed that many can be hacked to reveal user details even when they have been factory wiped. This information could be used to access the child's social networking sites etc. More info and tips on what to do are in The Guardian and can be viewed here: www.theguardian.com/technology/2014/sep/17/sell-childs-tablet-ebay-privacy