It’s designed to make sharing documents and collaboration easier, and to make peers aware of what you are doing. It allows you to instantly sync with any Git repository you have access to. The user interface and features are made to support this goal.
Dropbox is a great cloud based file syncing application. The only problem is you have to pay for more storage over the 3GB you get free. It’s great to be able to get access to your files from any web browser or smart phone.