 <p><strike>Check out this tut on <a href="http://wpmututorials.com/how-to/a-reusable-widget/" rel="nofollow noreferrer">reusable WordPress widgets</a> :)</strike></p> <p>Using the <a href="http://codex.wordpress.org/Version_2.8#New_Widgets_API" rel="nofollow noreferrer">2.8 widget API</a>, widgets are natively re-usable.</p>