Good talk at UC Boulder on Abraham Lincoln and his fathers.
One man in the audience posted the festivities on Facebook, and got a response from a friend urging him to read my Alexander Hamilton bio. which he showed me after I finished.
The most prescient comment about social media was made by an anonymous journalist soon after the invention of the telegraph. (Its first feats included chess games between players in different cities, and instant reports of the Democratic and Whig conventions of 1844.) The journo wrote: “There is no elsewhere; everything is here.”