Improvements like geolocation have the potential to make the Internet suddenly relevant to society as it is lived, not just relevant to what happens online. Mr. Sarver imagines features like “local trending topics,” a list of subjects popular in a particular area; or searches for happy hour in a neighborhood of Dallas that will intelligently link tweets about happy hours to the place they were sent from.Because GPS will provide the ability to become very “granular” with locations, you could mimic through Twitter the banter at the local diner or a barbershop, by limiting a search of tweets to a two-block radius.

via Link by Link – Refining the Twitter Explosion With GPS – NYTimes.com.

What it means: described by a product manager at Twitter, “local” will be an important information filter in the Twitter platform. Seems like interesting information for any local media publisher to get the local pulse.