I just was on a panel at the Location Based Marketing Summit in New York and wanted to share a list of resources I brought up (and a couple I should have brought up) for attendees in the audience. People who were there will have a little more context, but they should be relevant to most others interested in the topic. A couple may have even been brought up by fellow panelist Claudio Shapsis and/or moderator Allison Mooney, and at least one came from the audience.
Barcodes / Scanners / Image Recognition:
Mobile Social Media
iButterfly (Japan Pokemon-type mobile game)
My keynote talk last week on mobile social media: