
Saved by sari
On YouTube’s recommendation system
Saved by sari
YouTube’s real fuel came from some prescient tweaks the trio made a month later. They added features for people to leave comments and a small button to easily email friends links to clips. And when someone clicked on a video, a row of related ones appeared on the right of the page, prompting them to watch more.
Two thousand and twelve was also when YouTube integrated the variable of “watchtime” to its algorithm, meaning “which videos you watched and for how long,” according to a company blog post, leading to better-targeted recommendations.