On May 25, 2013 Gov. Perry signed into law SB 94, that was written to be used against the users of this and other websites like it.
Text as Follows here: http://legiscan.com/TX/bill/SB94/2013
AN ACT
relating to civil liability for compelled prostitution and certain
promotion of prostitution.
(1) "Advertisement" means any communication that
promotes a commercial product or service, including a communication
on an Internet website operated for a commercial purpose.
Goes into effect on September 1, 2013. This is just an FYI for Texas residents.