''The table or wall, or both can be useful viewed surfaces for computing '' ThinkingOutLoud.DonaldNoyes.20140609
----
http://blog.chinavasion.com/wp-content/uploads/2013/11/mobile-computer-projector.jpg
** Tripod projector
*** http://blog.chinavasion.com/index.php/22011/desktop-vs-portable-which-computer-projector-is-better/4