RingCentral is a publicly traded provider of cloud-based phone systems for businesses. RingCentral CEO Vlad Shmunis founded the company in 1999. The RingCentral was bootstrapped until it received its first round of venture capital investment in 2006. On September 27, 2013, RingCentral completed its IPO. RingCentral's flagship product is RingCentral Office. The company also offers RingCentral Professional, and RingCentral Fax.
Salesforce.com is a cloud computing company headquartered in San Francisco, California. Though its revenue comes from a customer relationship management product, Salesforce also tries capitalizing on commercial applications of social networking through acquisition. As of 2015, it is one of the most highly valued American cloud computing companies with a market capitalization of $50 billion, It is listed on the New York Stock Exchange and is a constituent of the S&P 500 index.
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