I remember hearing about revolutionary" ways to pick over the years but I always have some doubt when someone says one way will instantly make you faster or sound better. The names of techniques can also mean things depending on who is explaining them. From what I have seen, clear and clean sound usually comes from picking with a hand moving in an easy way and practicing regularly instead of using a special trick. It would be fun to see someone show the bubble picking method at speeds. Comparing it directly with alternate picking would probably be the best way to see if it really helps.