"High school yearbooks" is really "social engagement", "blockbuster" is really "film and television distribution", and "taxis" is really "personal transportatio

"High school yearbooks" is really "social engagement", "blockbuster" is really "film and television distribution", and "taxis" is really "personal transportation". Each of those industries is absolutely massive, so the dominant player in each industry, regardless of technology or decade, is going to be a financial juggernaut.