Yvonne (cow) of Zangberg and Stefanskirchen. After her escape, Yvonne was bought by animal-rights activist Michael Aufhauser, who intended to capture her and transport her to his animal sanctuary, "Gut Aiderbichl", a former farm in Deggendorf, Bavaria. Multiple techniques were used to find her and draw her out of hiding. Searchers used infrared cameras, a helicopter, and used other cows as lures, which consequentially also escaped and are being lured with additional cattle. As all attempts to capture Yvonne failed, the cow received increasing attention from the mass media in Germany and Austria and later all over the world. "Bild" tabloid offered
Cow Clicker API to allow websites to have their own clickable cows (in a process he dubbed "Cowclickification"), the spin-off game "Cow Clicker Blitz" (co-developed with PopCap Games co-founder Jason Kapalka), "My First Cow Clicker" for iOS (a parody of simplistic education apps; designed to "train" children on cow clicking and add the resulting clicks to their parent's total), and a "Cow Clicktivism" campaign where users could click on an emaciated cow to donate to Oxfam Americawith a goal of donating an actual cow to a third world country. The cow, known as the "Cowclicktivist Cow", could also be unlocked for the