Advanced Twitter

What you may ask is that? Advanced twitter is just one part of the new course on Social Media that I am taking up at Columbia during April. I haven't been back uptown to the Columbia area since I worked there 100 years ago and it was really nice to be back on campus. The weather was warm and balmy, the campus crawling, rightly, with students strolling across campus carrying their apple computers. My class was full of boomers wanting to know how to tweet. Count me in....