A second doesn’t seem like such a big deal, right? It’s just a wee sliver of time. What’s the harm in dropping an extra second into the vast ocean of a year? With well over 31 million seconds in a year (31,540,000 to be exact) who would even care or notice if we added one more?
As it turns out, the entire internet seems to be having second thoughts about the idea. Bob Yirka‘s concise Phys.org article, Adding leap second this year expected to cause Internet problems explains how a mere chronological crumb may be enough to generate communicational and computational chaos.