The date of that comic is 2014-4-28. Go here: https://xkcd.com/archive/ https://xkcd.com/archive/ find "Google Announcement" and the hover text is the date i

The date of that comic is 2014-4-28. Go here: https://xkcd.com/archive/ https://xkcd.com/archive/ find "Google Announcement" and the hover text is the date it was put online. See: http://forums.xkcd.com/viewtopic.php?t=122505 http://forums.xkcd.com/viewtopic.php?t=122505