shepard: continuing coverage of primary night in the south. first, need a wi-fi hot spot? just look for a homeless person. that s the message that south by southwest in austin, texas a music and tech conference there the marketing agency is turning homeless people into human hot spots carrying wireless transmitters said to work within 30-foot radius. the company s ceo says they pay the workers a minimum of 50 bucks a day plus the donations people make to log on. the company calls it a charitable experiment. critics say turning people into antennas is exploitation. as for the homeless themselves, they are happy to get the cash. this is a job opportunity to get out oof the situation we are in. it s a good thing. how difficult it can be when your entire world as you