2009

Feb 9, 2009 — Facebook Invents "Like" Button

On February 9, 2009, Facebook launched the Like button — a single click that replaced words with signals, turned attention into a measurable metric, trained the algorithm that now shapes what billions of people see online, and quietly reshaped how the entire internet communicates.

February 9

May 17, 2009 — Minecraft Became Publicly Available

On May 17, 2009, Markus Persson released the first public version of Minecraft — a sandbox without goals, a world without limits, and a development model that changed the industry.

May 17