Two Cheers for Social Media?

Plus: "The wisdom of not sharing." And a new installment of The Heard.

I know I’ve been a bit slow on subscriber-exclusive issues lately; that’s partly just because of the year-end crush, and partly because I wrestled with this one for a while, and going through a couple of versions. It’s on the longer side as a result — so consider it a “double’ issue :)

This continues my occasional series on contending with info/tech dis…