Elektronisk reisekort (formerly named Flexus) is an electronic ticket system that was introduced on all public transport in Greater Oslo, in 2009 using Thales technology. The system may eventually replace all paper tickets on trips with Ruter (formerly Oslo Sporveier and Stor-Oslo Lokaltrafikk) and commuter trains around Oslo operated by the Norwegian State Railways. By the end of 2010, there were 340,000 active cards used by Ruter's customer, an increase from 82,000 in January same year. In 2011, the two companies using the Flexus cards decided to stop using the Flexus name and design, instead using different cards, but still with common technology and equal opportunity to buy the same tickets as before these changes in name and design. The cards are from that year named either NSB-kort f