thats a horrific web service.

Whats the solution for these services?

Always embed the shortened url domain in the shortened url? eg: http://is.gd/omgponi/4d

de-centralize it so sites can either a) easily provide services to shrink urls within their code base, or b) just use shorter url maps

wait for google/big corp to offer a solution that you "know" won't die tomorrow.

For sites like this (and Digg bar, Facebook bar, etc)... http://en.wikipedia.org/wiki/Framekiller

    <script type="text/javascript">
        if (top!=self) top.location.href=self.location.href;
    </script>

Adding this to my personal site right now..

This is handy.

Schacters all the way down: http://➡.ws/硓䄈