This activity provides an alternate name for Cindy Sherman’s Untitled Film Still #48, in which a woman in a plaid skirt stands facing away from the viewer next to her suitcase. John Maynard Smith referenced this activity for the name of a genetic effect in which an allele increases in frequency due to a linked beneficial allele. Dutch (10[1])liftplaats signs mark places for this activity, which is similar to the D.C. area’s “slug lines.” (-5[1])In 2013, a Canadian robot that did this activity across (10[1])Canada was (10[1])destroyed (10[1])in Philadelphia. In a book titled partly for this activity, (10[1])Vogons destroy Earth right after the protagonist is saved by the towel-carrying Ford Prefect. For 10 points, extending one’s thumb towards the road is a gesture for what activity that inspired a series of “Guides” by Douglas Adams? ■END■ (10[1])