Hitachi announced[[1]][ref1]/sup a significant step towards localizers[[2]][ref2]/sup, with tiny little dust-like RFID tags. Next they need to develop tiny little antennas to match, and then little Diamond Age/i[[3]][ref3]/sup nanoprocesors.
1. BBC News. “World’s tiniest RFID tag unveiled” BBC News Technology section (online) 2007-02-23. http://news.bbc.co.uk/2/hi/technology/6389581.stm
2. Mr. Vernor Vinge. Deepness in the Sky/i. ISBN-10: 0312856830 ISBN-13: 978-0312856830
3. Mr. Neal Stephenson. The Diamond Age/i. ISBN-10: 0553096095 ISBN-13: 978-0553096095
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[ref1]: http://news.bbc.co.uk/2/hi/technology/6389581.stm “BBC NEWS | Technology | World’s tiniest RFID tag unveiled” [ref2]: http://www.amazon.com/Deepness-Sky-Vernor-Vinge/dp/0312856830/ref=ed_oe_h/103-1247506-2094258#sipbody “A Deepness in the Sky (Hardcover)” [ref3]: http://www.amazon.com/DIAMOND-AGE-Bantam-Spectra-Book/dp/0553096095/sr=1-1/qid=1172243020/ref=sr_oe_1_1/103-1247506-2094258?ie=UTF8&s=books “Diamond Age, The (Hardcover)”