NALP's E-Professionalism and Social Networking work group (a work group of the NALP Law Student Professional Development Section) has prepared six e-guides on e-professionalism for law students and lawyers and one e-guide for career services offices (CSOs):
LinkedIn: Facebook for Lawyers (PDF)
Facebook for Law Students: Making Friends (But Protecting Your Professional Reputation) (PDF)
Twitter: An Online Cocktail Party (PDF)
Effective Email Strategies for Law Students and Lawyers (PDF)
Managing Your Digital Dirt (PDF)