Bits: Twitter Still Seeks Facebook Cooperation - New York Times http://news.google.com/news/url?sa=t&fd=R&usg=AFQjCNHlZO8yFMH8IE2Gduyncf1NvG7Hkg&url=http://feeds.nytimes.com/click.phdo?i%3Dd8496d471f64c59f866f26dfcdd7cd42