Era 1: Nobody knows what they're doing Era 2: Everyone uses jQuery Era 3: Everyone copies Gmail and Grooveshark using Backbone and Angular Era 4: React is al

Era 1: Nobody knows what they're doing Era 2: Everyone uses jQuery Era 3: Everyone copies Gmail and Grooveshark using Backbone and Angular Era 4: React is all the hipster bootcamps teach Era 5: NextJS and React Native is how you build apps