Of course not, but you can't compare a desktop application like Photoshop to a mobile app because the use cases are completely different. With Instagram you can

Of course not, but you can't compare a desktop application like Photoshop to a mobile app because the use cases are completely different. With Instagram you can take the picture, select the filter, upload the photo and share to Facebook, all within 10 seconds, at the beach. During that time, Photoshop is still loading fonts and initializing action palette, on your computer at home :).