#TWEE-CHERS: Teachers are taking their cases to the pound sign (ok, "hashtags" sound more savvy). With #edchat, #SSchat, and #Engchat among the many communities that crowdsource the teacher experience, teachers have been taking part in scheduled Twitter chats around a particular subject area or type of student, writes Katherine Schulten in the NYTimes blog. Check out her Q&A with Thomas D. Whitby and Shelly Sanchez Terrell, founders of #Edchat (aka the "grandfather" of the education Twitter chats) and others.