Free online space to store files thru GSpace

Gmail offers plenty of space (almost 3 GB), it's not a very good idea to use it for storing files. There are tools that make it easy to upload files to Gmail (the most well-known are the Firefox extension Gspace and the Windows application Gmail Drive), but Gmail was not created for this purpose, so they're just clever hacks. If you upload too many files, Google could even lock your account for 24 hours.