[1] Gartner estimates $1.9 trillion in value-add by 2020. [2] Cisco estimates a value somewhere between $14 trillion and $19 trillion. [3] IDC estimates a value around $8.9 trillion (source: a16z research staff).

1. https://www.gartner.com/doc/2625419/forecast-internet-things-worldwide-

2. http://www.cisco.com/web/services/portfolio/consulting-services/documents/consulting-services-capturing-ioe-value-aag.pdf

http://www.cisco.com/web/about/ac79/docs/innov/IoE_Economy.pdf

3. http://www.businesswire.com/news/home/20131003005687/en/Internet-Poised-Change-IDC#.VVT0bflVikq