[icebraining]

Whatsapp only had 50 engineers even when they reached 900M users. Now, granted, Twitter may be a more complex system, but assuming they would just be maintaining it, they could be enough.

[dagamer34]

WhatsApp isn't real-time, and there's no reason for traffic 2 weeks ago to be any bigger than tomorrow.

However, there's a Presidential Debate tonight so you know Twitter's traffic is going to be off the charts.

[seizethecheese]

WhatsApp isn't real time?

[mullen]

Twitter and WhatsApp are both Real Time. However, if they could save a lot money going from Real Time to Near Real Time, they should do it.

[GFischer]

I don't know where you live, but people use Whatsapp groups a lot during and after an event.