Amazon said to have tested technology for its own wireless network

Amazon may not be happy with just piggybacking on other wireless carrier's signals for Whispernet-style offerings, as Bloomberg has heard it's trying out technology that would let it create its own wireless network. The technology used in the tests is from Globalstar, which is seeking to convert its spectrum -- intended for use by satellite-connected devices like the Global Phone pictured above -- for strictly ground-based use. The report points out a letter from Globalstar technical adviser Jar...