Kaloyan Banev wrote:
No doubt, you should turn your web app into Facebook app. The easiest way to make it viral and I think it wont be so difficult to do it.
One of the former co-founders of webmaisterpro.com is Facebook developer, I hope he will join the discussion and help with tips regarding Facebook app.
Regarding blogs, just use Google and advanced search operators to be able to find blogs and forums that are relevant. I can share 3 entertainment blogs, that accept guest posts and will drive traffic immediately, if you blog post is accepted: