This article is pretty old (2015). As I was reading through it, I got a pretty big surprise that Twitter was still using Storm until I checked the date.

what do they use now instead of storm?

Wow, ok, I missed this article, but they replaced their homegrown infrastructure (Heron, Scalding, Manhattan) with GCP?!

this really should be the actual post link.

I wonder how it's 5 Billion? With the population of the Earth being 6.5 ... Billions of sessions seems like it has to be a bug.

Companies, bots, alts, fake accounts, etc all inflate this number

Population of Earth is 6.5 billion? Did something terrible happen that I'm not aware of?

oh 7.7 ... shows what I know.

People have multiple sessions.

Since I could't correct the broken links I submitted the correct version to:

https://news.ycombinator.com/item?id=29233463

(2015)! come on

anything new at twitter since then you think?

Some discussion at the time:

https://news.ycombinator.com/item?id=9079671

the links are broken in the article. Not sure what twitter answers was

The blog entry was from the Crashlytics team and the product was their mobile analytics service (called Answers by Crashlytics),