You’ve read all of your free items this month. To register, get added benefits and unlimited access to articles, Become a Member. Already a Member? Sign in. Advertising Age Article Abstract Five Things Facebook Should Have Included When It Rolled Out #Hashtags What About Sharing the Love With Developers? How About Metrics for Brands? By Alicia Herczeg, Published on June 25, 2013 1 Want more Access, Content & Connections? Upgrade to Membership. We are glad you are enjoying Advertising Age. To get uninterrupted access and additional benefits, become a member today. Become a Member Already a member? Log in.