Move over, GE

The Tech conglomerates are the new leaders of industry. Today's tech giants are boasting valuations bigger than any other company in history, gaining tremendous power and resilience for the long term by playing in markets that tend towards monopoly (or at least oligopoly). This corporate passing of the torch has been in the making for decades. Christopher Mims explores how companies like Microsoft, Apple, and Facebook rapidly increase in value and scope, gaining power and becoming more world-consumingly durable than ever.