Interview questionsStart free
Requirements & estimationHardSDE-3
On a Twitter-like app, a celebrity with 50 million followers posts. Estimate the fan-out cost if you push the post into every follower's timeline, and decide what to do.
Asked at
LinkedInMetaShareChat
Think first
Answer out loud as you would in the room — clarify, give numbers, name the trade-off — then compare with the model answer.
Saved on this device. Create a free account to keep it on every device.
Practise this with Sam
A real mock interview, out loud, with an honest scorecard. Free to start.