Marketers Ponder The Worth Of Twitter's Ads

CLICKZ — Marketing industry watchers have been quick to tweet about Twitter ad sightings during recent mornings when they've spotted either a "Promoted Tweet" or "Promoted Trend." Big brands like Disney, Sony, cable TV channel TNT, Nike, and Starbucks are among those to have tested the formats. But, what about the 105 million consumers who use Twitter? Are they noticing those ads? Results from a consumer panel will likely someday shed light on that question. Until then, it's fair game to wonder how the ads are performing...