▲ 5 ▼ Stream 2.0 Ditches Python in Favor of the Faster Go

Ever stop to consider how your Twitter or Instagram feed populates, or how YouTube personalizes video recommendations just for you? It’s all in the feed. From the conspicuous — real-time interactive flow like Instagram and Twitter and every social network site, ever — to the passively functional like news, weather or even retail sales, the underlying task is the same: the aggregation and automatic, intelligent dissemination of information. While the concept is simple enough, building a scalable, reliable feed can be a surprisingly complex and resource-draining undertaking.