Ginger – Proximity Based Professional Networking
http://betalist.com/startups/ginger

Ginger makes finding and connecting with professional contacts easier than ever before. See who is around your location, what industry they are in, skills they have and whether you share any connections. Add them to your network and send instant messages to build genuinely useful professional contacts. This will be added to Entrepreneurial Resources Subject Tracer™. This will be added to Business Intelligence Resources Subject Tracer™.