The first part of your post puts the priority on having more software that can read a reliable formula, which I think is the opposite way to go, since the forumla is already there can't all browsers do this? Yes, but they have refused up until now, why? Because their focuses is web pages ... Make some hybrid RSS web feed with a universal interface and you have Twitter. Approach it from the software side and you have federated, inconsistent implementations of a reliable formula.