For hosting common files it's ok. Also it is on Android too do, great to transfer files between your Windows and your phone. But if you want better security you have to subscribe a monthly offer.
Cards against Humanity - A party game for horrible people.
Dropbox - Online Sync and File Sharing
Apples to Apples - Apples to Apples is a Party, Board and Card game revolve around those players who are playing Card against Humanity.
Google Drive - Access and sync your files anywhere
Mandatory Fun - All the fun of Cards Against Humanity with none of the penis jokes.
Mega - Secure File Storage and collaboration