Nielsen, New York, will be expanding Nielsen Twitter TV Ratings to include Facebook conversation. The expanded set of metrics, now called Nielsen’s Social Content Ratings,¬†will measure program-related conversation on Twitter and Facebook and include posts shared with friends and family, with followers and publicly. It will also track social media conversation for original video programming from TV and over-the-top streaming providers for linear airtimes as well as on a 24-hour-a-day, seven-day-a-week basis.