He may be the bike snob, but he's preaching a snarky mission of courtesy. 

"Be Nice to Pedestrians" -BikeSnobNYC aka Eben Weiss (Bike Advice)

Actor Alan Cumming says take in the vertical beauty of NYC by looking skyward. But save the visual exploration for firm footing.

Alan Cumming: "Dont look up (while riding)." (Bike Advice)

Kate H.: the roses are in bloom on the Hudson River bike path

Amy Pearl: pull up your pants. You know what I mean.

Anthony Weiner promises to put the Weiner Cam 2000 on his helmet and crowd source his head

Anthony Weiner:  I'll Put a Camera on My Helmet

Musician David Byrne:  You Can Take Your Out Of Town Friends To Get Something to Eat

Jim O'Grady: It's not 1980 in NYC anymore

Rob has been driving a UPS truck in NYC for a long time. He says all the new cyclists on the road make his job hard, but he's upbeat about it ... if they look out for him the way he looks out for them. 

Watch out for my UPS truck! -- Bike Advice from a veteran driver

Maria Popova (@Brainpicker): I listen to podcasts -- here are my top 5

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Transportation Nation