Excerpt - page 255: "... OTP. PTT Abbreviation of push-to-talk. public domain The status of inventions and creative work such as soft- ware, images, songs, or ..."
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Excerpt - page 73: "... lamp in 1879, but he patented more than 1,000 other inventions in his lifetime. These include the microphone (1877) and the ..."
Excerpt - page 181: "... brightness. b. Exceptional clarity and agility of in tellect or invention. 2. Splendor; magnificence. 3. Music Sharp- ness and clarity of ..."