One of the key buzz terms you can't possibly miss at the current time is 'Cloud Computing'. But - what really is 'cloud'? It's been defined by many in the press as a 'new era' of computing - but this is almost ironic as it's seems the perceived solution that most are talking of is much of a resurgence of way back when computing was predominantly mainframes located centrally in a datacenter style setup. Either way - this new concept is very wide-ranging in its definition, depending on who you speak to or which company or offer you are reading…