The very nice user interface is not imposing and encourages creativity. The ability to collaborate with teammates and friends is a nice plus
Very basic toolset for video editing software, transitions in particular. even though all paid plans offer full HD rendering, the free plans are even more limited in functionality.
a little bit more of the bells and whistles in the free version would bait a few more paying customers for sure!
advertising, animation and completing projects were less of a headache than needed to be.