Desktoply - A site to share an image of your desktop, quickly and easily

What problem is this solving?<p>I don't see any examples of what the site actually is or does, nor what other users are doing. I'm certainly not going to sign up just to figure out what it is.<p>Nice name, though.

It's certainly a well-designed site, if perhaps... limited in its use.

Aren't there like 5 other versions of this?