Dear Snap-D: We are a 20-person law firm and we have Facebook and LinkedIn pages. We are not sure of what to post and how often to post it. Should it be firm news or news about individual lawyers?A: Kudos to you for having two highly visible social media accounts. As for what to post? This is your firm’s stage, so anything that will allow clients, prospective clients, referral sources and the World Wide Web to see the breadth and the depth of your practice is what should be posted.New hires, victories, short articles …