It's about the apps. Duh. But when the web is the platform, "cross platform" means "cross browser". ajaxWrite misses the point. By a country mile.
Back when I did security for a living, one of the hard problems that I was introduced to was that of taxonomy for describing difficult technical issues. Common language allows us to quickly talk about things and in the best case can improve accuracy in discussions. Obviously that's just best case. We need a common description for low-latency data transfer. I propose "Comet".