Mobile & Physical Search

Google
http://searchenginewatch.com/showPage.html?page=3498296

Yahoo
http://www.itwire.com.au/content/view/13074/53/

Nokia
http://mobilesearch.nokia.com/index.html
http://opensource.nokia.com/projects/nors/index.html

Motorola & Google
http://news.bbc.co.uk/1/hi/business/4586940.stm
http://telephonyonline.com/wireless/marketing/motorola_google_mobile_010606/

Physical Search
http://scholar.google.com/scholar?hl=en&lr=&q=MAX%3A+Human-Centric+Search+of+the+Physical+World&btnG=Search