TUAW's Mike Schramm first wrote about the BiKN (pronounced "beacon") smart case and radio tags for iPhone back during our CES coverage. Today, the BiKN (US$119.99 with two tags, $99.99 with one) is available for purchase so you can keep your stuff close at hand. As Mike noted in his post, the BiKN consists of an iPhone case equipped with its own battery pack, an iPhone app, and radio tags (priced at $49.99 for t
