Video Conferencing Market to Expand at 9.3% CAGR to 2020 Thanks to Increasing Usage in Healthcare and Defense : Transparency Market Research Albany, NY, Dec. 4, 2015 (GLOBE NEWSWIRE) -- A new Transparency Market Research report states that the market for video conferencing will expand at a CAGR of 9.36% during the period 2014 to 2020. In...