Sure, it's not as simple as the title makes it sound, but Markus Frind of PlentyOfFish.com, a free online dating site, gives some advice in this lengthy WebMasterWorld thread. His secrets are to not depend on search engine results, to get the community to provide most of the content, and to offer something for free that would usually cost big bucks. In PlentyOfFish.com's case, competitors like Match.com charge up to hundreds of dollars a year for online dating services whereas he charges nothing.

If you're less interested in the money and more interested in how a single guy can run a site which gets millions of pageviews a day, there's a thread all about that too (summary: 1 database server with 32GB RAM, 1 Web server, 1 image server, and 1 mail server). He's a bit of an interesting guy. He's not your typical Web-geek.. he's hardcore into optimization, algorithms, and math, and was in the team which discovered a quick way to discover the first 32 primes in arithmetic progression.

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