The long awaited Instagram app has finally launched for Windows Phone , leaving numerous Windows Phone fans whooping for joy. The popular photo editing app which first appeared in the App Store in 2010, and has since revolutionised smartphone photography. Over 150 million users have downloaded the app, which is now owned by Facebook, and soon Windows Phone apps will be able to wonder in the delights that Instagram has to offer too. According to the Windows Phone website, the app allows users to take photos and videos using the app itself, though some suers have already reported difficulty doing the latter. A spokesperson from Instagram has revealed that this is not the finished version, however, and additional features and functions will be added to Instagram for Windows Phone as an on-going development. Getting Instagram on Windows Phone devices marks a major breakthrough for Microsoft, as it furthers its aim to offer the most popular apps across all mobile platform...