You've already seen them... links to tinyurl.com left in comments, on blog posts and especially on Twitter. But doesn't it make you slightly uneasy to click on a link without knowing where it's going to take you?

here's a feature on the TinyURL.com site that will show you a preview of the final destination URL, and there's not even a login required… it just sets a cookie on your browser.

Once on the site, just click the link for "Click here to enable previews"