All of these dates are based upon general availability unless specified otherwise.
how old is MS-DOS - August 1981 -
how old is Windows 3.1x - April 6, 1992 -
how old is Windows 95 - August 24, 1995 -
how old is Windows XP - October 25, 2001 -
how old is Windows Vista - January 30, 2007 -
how old is Windows 7 - October 22, 2009 -
how old is Windows 8 - October 26, 2012 -
If you are running software that is more than a decade old, that's great. Just consider what a future release might bring....new features, security. Too bad they end of life products huh?
Livestamp.js - a simple, unobtrusive jQuery timeago plugin - goes what timeago does with moment.js
timeago: a jQuery plugin - Timeago is a jQuery plugin that makes it easy to support automatically updating fuzzy timestamps . You get to use microformats like the cool kids.
pragmaticly/smart-time-ago - Smart Time Ago is a little jQuery library to update the relative timestamps in your document.