Berlin Wall Monument (Chicago) described the effects of the wall and its ultimate fall by arguing that "It became the landmark that symbolized the Cold War… the Berlin Wall also left a lasting impression on the psyche of the German people". She further argues that The Berlin Wall "provides a salient and powerful example of how material culture intersects with knowledge production in the psychological sciences". Since the fall of the Berlin Wall on 9 November 1989, fragments of the Berlin Wall have been donated to various cities in the world. Chicago was offered a piece of the wall in 2008 by the German
Berlin Wall shut down access to the Twitter Wall after masses of Chinese users began using it to protest the Great Firewall of China. In the United States, the German Embassy coordinated a public diplomacy campaign with the motto "Freedom Without Walls", to commemorate the 20th anniversary of the fall of the Berlin Wall. The campaign was focused on promoting awareness of the fall of the Berlin Wall among current college students. Students at over 30 universities participated in "Freedom Without Walls" events in late 2009. First place winner of the Freedom Without Walls Speaking Contest Robert Cannon received a free trip