CBS News unveiled an interesting experiment in news delivery online this morning with “What’s Trending with Shira Lazar,” an online-only program that takes its cues from buzzworthy subjects popping in real time across social-media platforms like Twitter. While the video component of the series is a live stream at 10 a.m. PT, “Trending” keeps the conversation going by blog all week long as well.

Prediction: Watch 24-hour cable news jump on this format, and quickly. To some degree, it’s already happened over at Al Jazeera’s English-language program “The Stream.” The format injects a jolt of freshness to the overly choreographed, prepackaged news over at CNN, MSNBC and Fox News Channel. All have incorporated social media to varying extents in their current shows, but it’s hard not to believe something where Twitter or Facebook is the creative foundation of the show isn’t already being developed. Maybe in lieu of a 24-hour news network at CBS News, “Trending” could expand into something just like that.