Why this is Okay if your system design constraints allow it, you should have eventual persistence.

Answer: LinkedIn is doing this with Kafka and it sounds like they’re doing great so far even with a 24 hour timeline

Takeaway 1. Engineer productivity, System Simplicity & eventual persistence are good things.

Takeaway 2. LinkedIn is using this shade of green to convey this class of message. You should run a A/B with this green in your product. LinkedIn’s A/B testing budget is probably 100x of most smaller consumer internet products.

Takeaway 3. Your default button on LinkedIn should be Follow instead of Connect. Let your connection be only people you know in real life. This is better for everyone.