A friend of mine surprised me recently - he is starting a "new kind of job board". Which struck me as "meh" till he explained - it's more of a "Developer Relationship Management" system.
The idea is if you have developers they will interact with other developers - so track those interactions and you get a good idea of where and how to fish
The idea is if you have developers they will interact with other developers - so track those interactions and you get a good idea of where and how to fish