I hope it will be the same story as HTML5 (IE will took it after everyone)
And SPDY will spread much more higher rate than HTML5.
Because it is a little work to be performed at the website end not like HTML5.
Hope within 1 year, it will be in a state where HTML5 today.
Hope within 1 year, it will be in a state where HTML5 today.
BTW: I'm not a expert :)