All the doom and gloom about Twitter (e.g. economist.com/news/business/…) makes me sad. So it's not growing. It's still great.

I guess this is what you get when you take a company public, though: an expectation of indefinite growth. It's not enough to just be there.

I think the problem with a public company is that if it doesn’t grow you are forced to keep changing it until it grows or breaks.