Boston-based music-video producer Steve Garfield, 46, is no ordinary blogger. Instead of simply posting his thoughts online in a chatty weblog like millions of others around the world, he links a Canon GL2 digital video camera to his laptop and uploads short clips of protest rallies, traffic short-cuts and even news events onto his personal Internet site.
Garfield belongs to a small but growing legion of video bloggers, or vloggers, who are turning the Web into a medium in which someday anyone could conceivably mount original programming, bypassing the usual broadcast networks and cable outlets. "My last entry was a news...