47 red-hot tech startups that became worth billions this year (Nick Bastone/Business Insider: Finance)

Nick Bastone / Business Insider: Finance
47 red-hot tech startups that became worth billions this year – When Instagram sold to Facebook for $1 billion in 2013, it felt like a massive sum of money. Five years later, we seem to be numb to the billion-dollar acquisitions and valuations around us. WhatsApp was acquired for $19 billion. Uber is valued at $72 billion. Yet, to build a …