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.
Kemento - Your life stories captured, forever
Dropbox - Online Sync and File Sharing
StoryWorth Holiday Gift - A year of family stories bound in a keepsake book.
Google Drive - Access and sync your files anywhere
My Year - Create your own review of your year in minutes
Mega - Secure File Storage and collaboration