Although the three common categories already covered—file services, FTP, and Web—handle the main ways by which you may offer files to others or retrieve them from servers, other techniques might be superior, depending on your circumstances.
Apple's iDisk, part of the .Mac service (http://www.mac.com/, $100 per year) is a hybrid offering. iDisk offers 10 GB (included) to 30 GB (at extra cost) of Internet file storage and 100 GB to 300 GB of monthly data transfer—inbound and outbound—that can be accessed in three ways:
In the Finder, choose Go > iDisk > My iDisk (Command-Shift-I)
On the Desktop, as a WebDAV server (Mac OS X and Windows)
Over the Web itself using a .Mac Web site
On an iDisk, you have only ...