Nassim Taleb has a short but very worthwhile piece on the Farnam Street Blog about signal and noise, and how thanks to always-on connectivity and real-time data we tend to consume a lot more of the second than the first. The big idea:

In business and economic decision-making, data causes severe side effects —data is now plentiful thanks to connectivity; and the share of spuriousness in the data increases as one gets more immersed into it. A not well discussed property of data: it is toxic in large quantities —even in moderate quantities.