Why VC funds invest and who are the companies providing the Bitcoin building blocks?

During their presentation at Startup Turkey 2015 event, Pamir Gelenbe and Sean Percival talked about Bitcoin, why Bitcoin will be a major revolution in the financial sector, why it will change the way we live and the way we transact. In their presentation, they concentrated on the reason why Bitcoin is that important from a business perspective and compared Bitcoin today to the internet back in 1994.