The New York Times Deal Book – A simple rule that bolsters the banking system – “know your customer” — could help combat fake news and hate speech online if companies like Facebook and Twitter embraced it. “…The concept is “know your customer” — or KYC, as it’s called on Wall Street — and it’s straightforward: Given concerns about privacy, security and fraud when it comes to money, no bank is allowed to take on a new customer without verifying its existence and vetting its background. The idea of applying such a rule to social media has been floated before, but it has so far failed to take hold. Now may be the right time. Consider this: Facebook has said it shut down over 1.5 billion fake accounts from April through September last year (yes, that’s a “B” in billion). That was up from the 1.3 billion such accounts it eliminated in the six previous months. To put those numbers in context, Facebook has a reported user base of 2.3 billion. What if social media companies had to verify their users the same way banks do? You’d probably feel more confident that you were interacting with real people and were not just a target for malicious bots…”