Facebook F8 19, 2017, at the San Jose Convention Center in San Jose, California. Announcements included: The 2018 F8 conference was held from May 1, 2018 to May 2, 2018, at the McEnery Convention Center in San Jose, California. At the conference, Facebook announced the creation of their own online dating service. Shares in the dating business Match Group fell by 22% after the announcement. Facebook F8 Facebook F8 (pronounced ""eff eight"") is a mostly-annual conference held by Facebook, intended for developers and entrepreneurs who build products and services around the website. It is hosted in the San Francisco Bay Area, California,
S-train tunnel under the central station and the city centre. The high number of large cities in the Ruhr area promotes a polycentric network connecting all cities and suburbs. The "S-Bahn Rhein-Ruhr", as it is called, features few tunnels, and its routes are longer than those of other networks. The Ruhr S-Bahn is the only S-Bahn network to be run by more than one corporation in Germany, and the Salzburg S-Bahn holds a similar distinction in Austria. Most Swiss S-Bahn systems are multi-corporation networks, however. Most German S-Bahn networks have a unique ticket system, separated from the "Deutsche Bahn" rates, instead