It was cut short on October 5, however, after some users protested, saying it was a violation of their privacy. The project, called " Wanna Play ," used Verhoeven's Grindr profile to draw chat partners into a discussion about online intimacy. An American in his 20s who went over to Verhoeven's cube shortly after it opened became particularly irate when he saw his chat messages and photos being read by the assembled crowd. The museum is located on the river Spree opposite Berlin cathedral. We instead go along with this illusion of privacy that we think we have. But McGlotten stresses the need for an ethical and transparent approach when deploying these tools. Open April—October, Tue-Sun 9. For five days in early October, Dutch artist Dries Verhoeven broadcast his Grindr chats onto a projection screen inside a glass cube situated on a public square in Berlin's Kreuzberg neighborhood. The collection, which includes a Neanderthal skull, the bust of Egyptian queen Nefertiti and Heinrich Schliemann's Trojan antiquities, isn't half bad either. Its Archive — or Museum of Design — houses a sensational collection of sculptures, ceramics, furniture and architectural models by Walter Gropius, Moholy-Nagy, Klee, Kandinsky and the many others who — with the Nazis' rise to power — fled Germany and carried modernism to the New World. As prophet of his syncretic religion "Thelema," he wanted to be among the leaders of art and thought, and Berlin, the liberated future-gazing metropolis, wanted him. This intimate gallery, situated opposite the Schloss Charlottenburg, also has more than works by Picasso from early student sketches to the blue and rose period through his cubist years and up to the year before his death in April Le Pustra consistently transcends boundaries at Kabarett der Namenlosen, a show which revives the tropes of s Weimar Berlin in decadently erotic performances that carry a sex positive message. GEO-dating apps still appealing Grindr has become one of the best-known sex navigation apps.