Here's something of that nature I came across some time ago: http://forumshock.com. http://forumshock.com. No clue if something like that is even effective. Ma

Here's something of that nature I came across some time ago: http://forumshock.com. http://forumshock.com. No clue if something like that is even effective. Many times, it's hard to show the value of your site without a populous user base. It'd be wise to look for a very specific, good use case that will help spread your service -- or you might get lucky with something like YouTube's "One Lazy Sunday" of your own.