So was their success mostly based on the non-scalable aspect? (namely that organizers were happy to get an excited person to work the door for free) Or is ther

So was their success mostly based on the non-scalable aspect? (namely that organizers were happy to get an excited person to work the door for free) Or is there a hidden scalable app in there for sending out people to do conference name tags in exchange for advertising in front of certain audiences?