Richard Monson-Haefel's Blog:http://theclevermonkey.blogspot.com/
RENCI Vis Group Multi-Touch Blog:http://vis.renci.org/multitouch/
Harry van der Veen - CEONatural User Interface (NUI):http://www.multitouch.nl/
rbedi100’s blog:http://mymultitouch.wordpress.com/
Christopher Yanc:http://www.cyancdesign.com/
A Multi-touch and Multi-gesture research blog:http://www.multigesture.net/