Quantter is a "Twitter for Numbers" where multiple people can gather numbers in one place, compare, add them in real time. Swiss men Francis Dierek and Dominik Heier chat with us on the morning of Sat, March 12 on the way to the Convention Center for SXSW. Video by Paul Terry Walhus of Spring.net (springnet is the keyword to search for in google and youtube, blip.tv, etc) http://www.quanttum.com/