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.
Dropbox - Online Sync and File Sharing
Startup Notes - Most actionable advice from each Startup School speaker
Google Drive - Access and sync your files anywhere
Great F*cking Startup Advice - Strongly worded suggestions for startup founders
Mega - Secure File Storage and collaboration
Startup Fucking Advice - A humor-based website that gives random startup advice.