The Tenor of Our Times

We can't understand our current state of affairs without knowing the way we thought and acted in the past any more than we can fully understand a neighborhood without remembering the forces that shaped it. The Web extra at http://youtu.be/LbLKhMkWS7w is a video segment in which author David Alan Grier expands on his Errant Hashtag column, discussing the history of search and how he came to find that "innovation" describes the tenor of our times.