Sounds like a great idea, but I'm always wary of businesses whose tagline is "Like X, but for Y".
Not going to start a business and say "Like LinkedIn, but for dental hygienists".
Not going to start a business and say "Like LinkedIn, but for dental hygienists".
That being said, please look at my response to StavrosK for a quick overview of a simple user story ... just in case you're wondering.