Trick.ly is a URL shortener PLUS password protection layer. Trick.ly allows you to privately share personal links by acting as a middle-layer where you can require a password (and even give a clue) thereby letting through [HTML_REMOVED]friendly[HTML_REMOVED] traffic and keeping lurkers out.
[HTML_REMOVED]Casual privacy[HTML_REMOVED] is something we all want from time to time, but won[HTML_REMOVED]t easily find since the [HTML_REMOVED]big boys[HTML_REMOVED] want you to sign-up for their social networks, keep things public, etc, etc.
Ideal for twitter, facebook and blogs, Trick.ly can help you select who visits your links. Have fun with the clues, Trick.ly can even be used as a fun quiz platform.