How Facebook and Twitter Changed The Internet World In 2006;During a six-month period in 2006, two pivotal events helped upend the internet as we knew it: Twitter launched in March and Facebook announced News Feed in September.

The two services introduced the social media news feed to a mass audience, changing how we engage with friends, consume news and view the world. These never-ending streams of updates are curated at least in part by opaque algorithms designed to personalize content and keep you scrolling, scrolling, scrolling so you see as many targeted ads as possible.More details @
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