Other Cities of the Future. On 28 September 2011, it was announced that Google had acquired a seven-storey building near Old Street roundabout. Google said that the building, in Bonhill Street, would host "a range of activities, such as speaker series, hackathons, training workshops and product demonstrations" in addition to providing workspace for new companies. The building, known as Campus London, opened in March 2012. In 2013, the Nominet Trust selected "5 startups making positive social change" which are based in the cluster: Streetbank, Give What You're Good At, Videre Est Credere, Buddy App and PaveGen. A report by EY published in 2016 highlighted the importance of London to the UK's FinTech industry in terms of availability of expertise and demand for services. The earlier activities of the Tech City Investment Organisation and its funding by then-Mayor of London Boris Johnson hit the headlines in 2019 concerning his connections to American entrepreneur Jennifer Arcuri. Investment Investment in London's technology sector was $2.28 billion in 2015, 69 per cent higher than the $1.3 billion raised in 2014. Since 2010, London-based technology companies have collectively raised $5.2 billion of venture capital funding. Participants Technology companies Notable technology companies active in the cluster include: 7digital Amazon – has opened its Digital Media Development Centre in the area Aurora Fashions – the company behind Coast, Oasis and Warehouse occupies one of the largest buildings around the Old Street roundabout (Exchange House) and with mobile sites and apps Avoiding Mass Extinctions Engine (AMEE) Bequest BT – has agreed to accelerate the roll-out of superfast broadband in the area Bosch - London Connectory incubator Cisco – has agreed to establish an Innovation Centre in the Olympic Park DueDil EE – has introduced 300Mbit/s 4G in the Tech City area Facebook – has agreed to create a base for their Developer Garage programme in the hub Google – has created an Innovation Hub in the area Google also hosts its Campus London Residency Programme in the area. The 2018 cohort hosted start-ups focussing on tech for good. Gojimo – the UK's leading revision app provider Inmarsat Intel – has established a new research lab in the area focused on performance computing and new energy efficiency technologies Last.fm Livemusic Wonderbly Memrise Microsoft - has created a developer community hub called the Microsoft Reactor in the area. Mixcloud Moon Active - Israeli gaming firm and Coin Master creator recently