He implied that Heroku is not his sole provider. I'm skeptical of that figure, too, as it's probably something on the Heroku sales site (99.7% to the 30-byte he

He implied that Heroku is not his sole provider. I'm skeptical of that figure, too, as it's probably something on the Heroku sales site (99.7% to the 30-byte health check!), or it's manually updated, in which case it's probably rounded.