Can i sue tinder? I posted the Idea days before it was founded.

In July 2012 i posted an idea on a poker forum. The idea was a dating app that does exactly what "tinder" does. That was in July 2012. Tinder was founded in August 2012. Just days after i posted the idea. Is there any legal way to get money out of this? Say if research would show the founders were poker players or maybe even active users on that forum (this is just speculation) would i have a realistic chance to get compensated? Word on the street is that tinder is valued at $1billion+. Here is the lik to my post from July 2012: http://forumserver.twoplustwo.com/showpost.php?p=34029416&postcount=766