Access control and physical security sectors are on fire. According to MarketsandMarkets global market research, the physical security market will grow from $57.72 billion in 2014 to $87.95 billion by 2019, with North America and Europe leading the way. At the same time, access control/physical security products are becoming more sophisticated, and are catching on among SMBs. VSR takes a deep-dive look at four of the hottest physical security technologies and offers tips on how to sell them.

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