If one thinks about it clearly, there's no such thing as free. Sure you can send very limited number of texts and Sms.ac will break even or profit from you by sending all sorts of spams (ranging from invites from strangers, to offers, etc.) thru text messages. In some of their "spam" messages, they give you the option to stop receiving messages from them by telling you to reply back with a designated word to a designated number (ie. send STOP to 2237). However that option never works and it only exacerbates the situation by having greater *******s of spams unleased upon your cellphone.

Btw, does anyone know how I can stop all these spams from seeping into my cellphone? I already forgot my log-on and passwords on their site.