Opzi is a Q&A and networking website with private groups based on School or Company. Think Quora + Yammer Euwyn Poon tells about Opzi in a interview. http://w

Opzi is a Q&A and networking website with private groups based on School or Company. Think Quora + Yammer Euwyn Poon tells about Opzi in a interview. http://www.metaezra.com/archive/2010/04/introducing_opzi_a_cornell_sta.shtml http://www.metaezra.com/archive/2010/04/introducing_opzi_a_c...