@apushelp which he works with his AP students to answer students' questions around the US for US history questions. This fall Frank Franz and I had great success with our Twittering the debates and election day. So Elliott Waxman started #apgovhelp this spring and Frank and I added in our students as well. Feel free to use it if you have students over the summer. The Fairfax Times wrote a nice piece on the hashtag today.