The technology to let browser programs run as fast as native software has plenty of challenges. Maybe Google's promotional effort next week will give it a needed boost.
Devices using iOS and the future Windows RT hobble third-party browsers. Despite some good reasons for doing so, the change could undermine browser competition.
Apple, Google, Microsoft, Amazon--all are targets for Mozilla's plan to use Web apps to free people from ecosystem lock-in. Also: new Firefox features aplenty.