tl/dr - Barker is a twitter clone that runs its backend across 25 global data centers. The post explains the motivations and challenges that inspired the develo

tl/dr - Barker is a twitter clone that runs its backend across 25 global data centers. The post explains the motivations and challenges that inspired the developer to build barker and how he leveraged Macrometa - a geo distributed platform's document database, graph database and streams to build the app. Source code provided. Macrometa offers a free developer platform for building apps and APIs like barker at www.macrometa.co