Twitter this week began testing a new type of advertising: "Promoted Trends." Under the new system, brands can pay to appear below the "Trending Topics," the most talked-about terms on Twitter at any given moment. http://feeds.feedburner.com/~ff/rss/...?d=yIl2AUoC8zA http://feeds.feedburner.com/~ff/rss/...?d=7Q72WNTAKBA http://feeds.feedburner.com/~ff/rss/...T4:V_sGLiPBpWU http://feeds.feedburner.com/~ff/rss/...?d=qj6IDK7rITs http://feeds.feedburner.com/~ff/rss/...T4:gIN9vFwOqvQ
http://feeds.feedburner.com/~r/rss/c...~4/mZ9KL-UJ58c
More...
