Hail the iPhone Gods, you no longer have to worry about not being able to download Instagram to see what your friends are having for breakfast. Phew.
If you have ever had the panic moment where you cannot get your App Store app to work, an iPhone genius, Zachary Drayer, has found a solution to your problem.
When your App Store app is being difficult, Drayer explains that you need to do something with your phone called 'clearing the cache'. Ultimately this means resetting your app.