WP.me short link (tiny URL) will help you to shorten your URL links. Infact WP.me itself i a short url for http://wordpress.com/. You can use this short url in Twitter or in other socail media website.
WP.me is similar to Tiny URL but it is different in a few ways. By default every blog and post on WordPress.com has a WP.me URL and the links are permanent. WP.me exposed in the using rel=shortlink.
Moreover WP.me is spam-free, because wordpress team is constantly monitoring and removing spam from WP.com.
Check out this address: http://wp.me/sC3DH-thepicky , this is the short url for this address http://thepicky.wordpress.com/2009/08/19/thepicky/
Get Shortlink – WP.me
By default every post on WordPress.com has a WP.me URL. Just login your wordpress.com blog and you will get to see “Get Shortlink” button next to your permalink, just you click it you’ll get a popup with the short link already highlighted for your copy and pasting it in Twitter or in other socail media website.