Just when I thought I -- and I alone -- had discovered a mostly hills-free way of getting from the Inner Sunset to downtown, I noticed the signs: "The Wiggle." At first I thought they were about my extra mid-body baggage; then I realized they were marking my flattish route.
Then, a few days later, the San Francisco Bicycle Coalition wrote about it in a column in the Chronicle. (Read it by clicking on the blog post title above.)
Oh, well -- so much for my "discovery."