In a recent interview with The Telegraph, the Winklevoss twins said Bitcoin ($BTC) will be more valuable than social media giant Facebook. Bitcoin's marketcap sits at $69.99 billion compared to Facebook's $458 billion valuation. Cameron Winklevoss likened the growth to Amazon versus Barnes and Nobles booksellers in the early 2000s, while brother Tyler said digital payment facilitation gives Bitcoin a leg up on social media in the new digital economy.