Apps “Ex-Machina” Uses Tinder App To Cleverly Market The Film At SXSW Christopher Moore, March 15, 2015April 1, 2015 If you’re using the dating app Tinder and you’re in Austin, TX checking out the SXSW conference and festival, then don’t be surprised if a hot 25 year old woman by the name of Ava pops up in your list of possible matches. Don’t fall for it, though, because per…