::*'''Nearly everyone uses e-mail''', but although :::''Although very useful, '''e-mail is '''not the best method for on-line collaboration'''''<br /><br />.::*Certain '''Social Media software''' (eg. facebook, twitter) are useful for posting messages and keeping in touch with friends and events,<br />but '''lack the ability to create and collectively edit ideas and document content'''.::*'''Document generation and editing''' (eg. word-pressing, spreadsheets, slide-shows) are mainly edited "off-line", which '''requires more work downloading and uploading files'''. Although they may be posted to web-pages, those documents are not really considered "living documents"...