Sign on to Twitter from 2 p.m. to 3 p.m. Eastern today to chat with SmartBrief on Social Media editor Jesse Stanchak about the latest changes to Facebook. Come share tips, talk about the challenges you face and get help from your fellow SmartBrief on Social Media readers. Include the hashtag #SBSocialClub in your tweets — and don’t forget to follow @SBoSM on Twitter.