What are some alternatives?
When comparing Dropbox and Mega, you can also consider the following products
Google Drive - Access and sync your files anywhere
Box - Box offers secure content management and collaboration for individuals, teams and businesses, enabling secure file sharing and access to your files online.
Microsoft OneDrive - Secure access, sharing & file storage
SpiderOak - SpiderOak makes it possible for you to privately store, sync, share & access your data from everywhere.
ownCloud - ownCloud is an open source project enabling businesses to host their own cloud storage while maintaining regulatory and compliance needs.
pCloud - Cloud storage service with up to 20GB for free! Store, share and send large files to anyone. Join now and have your files everywhere you go.