The more amazing part is that they are able to handle this unexpected, enormous increase in traffic. I'm guessing it's a mad house there trying to keep enough capacity. But if not, and it is scaling in the cloud this seemlessly, then their infrastructure is definitely a work of genius.

they made it free for personal use on china a month ago, so lots of preparation time.

let’s see how they exploit it financially after so much free marketing. no evil or not ;)