4D-S Systems - A Closer look, page-32

Forecasts for the Non Volatile Memory Market

"...The Global NVM market is expected to reach $40.2 billion by 2020, at an estimated Compound Annual Growth Rate (CAGR) of 1.18%. The emerging market is expected to grow at a CAGR of 41.27%, but the traditional nvm technologies are expected to witness a negative CAGR growth. North America is the biggest market, followed by APAC and Europe. ..."

http://www.marketsandmarkets.com/PressReleases/non-volatile-memory.asp

When they mention traditional Non Volatile Memory they are referring to Flash...