The “i” in tonight’s title is supposed to be lower case, indicating that it’s all about the onset, and onslaught, of 21st century technology and social media. Those of us who lived through that decade, and that’s almost all of us (unless you’re a very precocious reader and TV viewer), may be stunned, in retrospect, to see how quickly everything changed. Apple’s original iPod was introduced in the projected year of Stanley Kubrick’s space odyssey, way back in 2001. But that’s ancient history, right?