Whenever I am at a coffee shop I take out my iPad and turn on a prepared Keynote presentation that can be read from 10+ feet away saying something like "Mobile

Whenever I am at a coffee shop I take out my iPad and turn on a prepared Keynote presentation that can be read from 10+ feet away saying something like "Mobile Engineer and Big Data Hacker - Come Talk To Me!" and then a URL at the bottom of the slide. I really like the idea of having the "Meet A Progammer" table at a coworking space though I suspect the number of "Can you be my tech co-founder and work for free for a year?" requests to be a little on the high side.