Clever use of social networking data in physical life

A paper titled "A wearable interface for visualizing coauthor networks toward building a sustainable research commununity" published by Nara Institute of Science and Technology researchers shows a great and innovative way using a sensor and display device and data from bibliography databases (including citeseer ) to facilitate communication (introductions) between researchers in a trade show or conference. Imagine that you are a young scientist wearing one of these display devices and you are sitting two rows behind of another scientist whose latest paper is the most cited article in your reserach area and you can see from your device that 10 years ago he has coauthored a paper with one of your professors....... just go ahead and intoduce yourself and mention that you are working with one of his colleagues....
via information aesthetics