And JigSaw for $1 per contact (typically pretty updated), then cold call. Attend some sponsored events, work your way up the chain, "who can I connect with." E

And JigSaw for $1 per contact (typically pretty updated), then cold call. Attend some sponsored events, work your way up the chain, "who can I connect with." Email the guys who were recently acquired by LinkedIn: Rapportive, which frequent HN.