Arlington County and the National Park Service are counting users on the Mount Vernon Trail. This video appears to be making fun of roadies making fun of hipsters. Some ruminations on D.C.’s bike laws Bikes have been around for 233 years. Here’s a chart of all that history. Phoenix Bikes’ sale is tomorrow at Big Bear Cafe, 10 a.m.-2 p.m. Photo by Flickr user Salovesh. Join our Flickr group!