At #TheAIConf, @Facebook describes the scale challenges of its personalized newsfeed:
1. 2B users’ feeds
2. 1000 stories candidate for each user on avg
3. Real time
And its architecture.
For each story they use #AI to calculate probability of commenting, liking, etc. https://t.co/Ay4OuidsEA

Original tweet: https://twitter.com/giano/status/991674886669119488



