major innovations and technological milestones. Broadcast radio: RDS, DAB, DARC (1992–1997) The Luleå algorithm for routing (1997) Living Labs: leading European service testbed with 6000 users (2001–) Marratech: pioneers in Internet-based E-meetings (1998–) – acquired by Google, releasing in November 2008 video-chat support in Gmail Arena project, IT in Sports: sensors, handheld wireless video (1999–2002) Estreet project: First large-scale mobile marketing experiment (2000) On 27 October 2011, Facebook announced it would locate its first data center outside of the United States in Luleå. The whole facility is made up by a set of three buildings. The first building was to be operational in 2012. The establishment will help turn the Luleå region into a major node for European data traffic. The town's northern location and that it will become a hub for data traffic in Europe has generated a new epithet for the Luleå region – The Node Pole. The Node Pole region provides stable, low-cost electricity that is 100-percent derived from renewable sources. In addition, they cite the benefits of low cooling expenses, given that the region is one of the coolest in Sweden. Sweden's long political stability is cited as another long-term benefit of the Node Pole's location. Facebook expands into Luleå The new European computer centre in Luleå is Facebook's first investment outside of the US. Some of the reasons that Facebook choose Luleå were because of natural cooling due to the climate, cheap electricity, reliable electrical networks, and clean energy. The data centre is the largest in Europe, with which is comparable to 11 football fields. The computer center will process large amounts of data through thousands of computers working as one. The establishment of Facebook in Luleå has also led to other companies realizing the potential of establishing in Luleå. The positive effect has also been noticeable at the university where the applications rate has risen by 18 percent — Luleå Science Park has also had an increase of 25 percent of new established companies. Climate Luleå has a subarctic climate (Dfc), which borders on a humid continental climate (Dfb) with short, mild to warm summers and long, cold, snowy winters. Due to the Gulf Stream, Luleå has a warmer climate than other cities on the same latitude and even some that are further south in Canada, Alaska, Northeast China and Siberia. During the summer in June and July the temperature in Luleå can some