This I find an innovative product. You share contact details or pictures by simply bumping two phones together. The way it works is as follows
- Bump phones together
- The motions sensors send motion and location information to the bumptechnologies.com servers
- If the bump happens at similar location and at the same time the contact information is exchanged
It even seems to work if there are many people exchanging details on something like a conference.
It’s available for iPhone and Android