The Hill notes Sen. Schumer’s interest in Facebook’s open graph here.

The changes, which Schumer discovered through his daughter, prompted the New York Democrat to ask the Federal Trade Commission to issue guidelines on social network privacy. And it moved three other Senate Democrats — Sens. Mark Begich (Alaska), Al Franken (D-Minn.) and Michael Bennet (D-Colo.) — to join Schumer in petitioning Facebook CEO Mark Zuckerberg on Tuesday to explain the size and scope of Facebook’s new information-sharing tools.

Another Hill report examines use of technology and social media on the Hill.

The average age of House members at the start of the 111th Congress was 57 years old — 63 in the Senate — making it the grayest on record.

But many grandmothers and grandfathers on Capitol Hill are adept with BlackBerrys, Facebook, Twitter and other popular modes of electronic communication.