Today we highlight a presentation that's all about proper manners on public transit, courtesy of "anonymous" bloggers Angelie Agarwal and Julie Hayes, as they talk about their site, Muni Manners.

An etiquette guide for the transit savvy.

As loyal riders of public transit, we've seen our commutes change with the rise of iPods and the fall of public decorum. This new kind of etiquette guide picks up where Miss Manners leaves off.