I am sending them the following:
I noticed your new policy of making older working papers freely available via SSRN.Beau geste.
You have struck a fair, even generous, balance between the public interest, your legitimate organizational interest, and the legitimate interests of your contributors and their organizations. You are setting a rare example at a time when the legitimate concept of intellectual property is being perverted by corporate rent seekers and their bought-and-paid-for politicians.
This infrequent user of SSRN and an even more infrequent user of NBER is taking a moment to say: thank you.