I have personally seen some amazing networking lately on a personal level in my own life with a family friend of ours who has a child battling cancer. The sveen degrees of separation theory comes to mind, as it is true that everyone knows somebody and we all connect to each other pretty easily with who we know.
In any event, the be known app has job listings, an opportunity to also post jobs if you are in a hiring position or recruiter. I have yet to link into anyone else or really check it out, but will do so shortly. Please let me know what you think fo the app.
Here's the link: https://apps.facebook.com/beknown/jobs