Notify the users of the shared Excel workbook that they need to save their work and exit the file.
Users, or former users, of the photo sharing service Flickr will also have one, if have they logged in since 15 March 2007.
Towards the back end of the year, Channel 4 signed a deal with YouTube allowing users of the video-sharing website to view Channel 4 content free of charge shortly after they air on television.
Lancaster also said Voltage's compensation bid did not amount to "a royal commission into end users of the BitTorrent [file sharing] network" and it had no right to ask for people's download histories.
Starting this week, Instagram enables a feature to allow users of the ubiquitous photo sharing app to switch between multiple accounts.
Prospective users of the bike-sharing program should be encouraged to bring their own helmets.
Facebook has infuriated users of the photo-sharing and filtering service Instagram by changing its terms of service to allow it to sell peoples' uploaded photos or related data.
Similar to Glassdoor's 'get to give' model, users of the site share and rate a few products they use in their business.
Indeed, each user has a local copy of the shared objects, upon which he may perform updates.
