Mark Wilson/Getty Images Billions of dollars are flowing into these startups.There used to be a time when a $1 billion valuation was considered a massive success for tech startups.
But in recent years, there's been so many of them that billion-dollar valuations are almost starting to feel routine in tech.
So we've raised the bar and narrowed down WSJ's "The Billion-Dollar Startup Club" list to companies that are valued at more than $5 billion.
These startups are transforming our lives and they're definitely worth keeping an eye on moving forward.