In reference to the opening thread, personally I am big a fan of Google drive. One of the reasons why is because first of all it integrates well with other Google services such as Gmail, Calendar ect. Google Drive also has a nice feature that you to open various types of file which some other programs do not. Lastly, another reason why I feel Google Drive is best is because of how it works with Google Docs, which is a program I use all the time. Keep in mind too that all of these features are free and are all accessible via one login and password.