A lot of the stuff you want to do is in the "standard" but you need 3 or 4 browsers to all implement it and do it in the same way before it counts as being truly an option.
Look at the RIAA. A model of cooperation.
A lot of the stuff you want to do is in the "standard" but you need 3 or 4 browsers to all implement it and do it in the same way before it counts as being truly an option.