People seem to forget about the network effect when discussing DropBox. The main reason I continue to use DropBox over cheaper alternatives, is that most of my

People seem to forget about the network effect when discussing DropBox. The main reason I continue to use DropBox over cheaper alternatives, is that most of my collaborators in other companies have DropBox, and we use shared folders to exchange files. DropBox was the first solution simple enough to make them switch from using mail attachments.