Here's a networking tip you've probably not seen before. Sloane Berrent from CauseCast was recently interviewed by Andrew Warner of Mixergy about her networking techniques. Here's one of the many good networking tips from Sloane's interview:
Keep a free hand - Events aren’t about the food & drink. If you have food in one hand and a drink in the other, you won’t be able to shake hands with new people.
Sloane is the type of networker who returns from a conference with a 6" stack of business cards, so listen to the whole interview for more of Sloane's networking tips.