Chemistry.com, "first introduced in October 2005 in San Diego, Seattle, Washington, D.C. and Denver," was launched in January 2006. Affiliated with Match.com, it is a dating website which "offers a variety of subscription packages." 
The Match.com NewsCenter informed February 13, 2006, that it is "the first relationship site to recognize that chemistry is essential to a successful, enduring relationship. Chemistry.com offers a fundamentally different approach that combines the benefits of online matching with the power of face-to-face meetings, where the true test of chemistry occurs. Chemistry.com features the patent-pending Chemistry Profile™ personality assessment and 1-2-3 Meet™, a guided introduction process developed from insight gained from one of the most extensive consumer research studies of single adults ever conducted." 
- News Release: "Introducing Chemistry.com," Match.com, October 11, 2005.
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