I am less worried about Google because webkit, chromium, v8, etc. are open source. I think Apple has a pretty good record with open standards, but they have a

I am less worried about Google because webkit, chromium, v8, etc. are open source. I think Apple has a pretty good record with open standards, but they have a big incentive to keep people buying native apps on iOS (and i guess on OSX too now). It is definitely not in their intrest to have people easily build cross platform mobile apps when the default is for people to build iOS native apps first now.