Google Details Chrome's Background Feature
techcrunch.com
techcrunch.com
I can imagine something like Gmail, where I can install it as a hosted app, but not have to keep a tab open and pinned on mail.google.com. Instead of the favicon trick to see new messages or an extension which adds a button to my toolbar, I can close out of Chrome and the installed app's background window would allow it to still send me desktop notifications of new email. I think that would be a good use for this sort of thing.
On the flip side... for a packaged app like TweetDeck, it could pull down your timelines, mentions, etc as soon as you boot up and they'd be ready to view whenever you actually launched the app. Another good use, perhaps?
The fact that other people could copy them (assuming what Google chooses is a good design for others too) doesn't make it into an open process.
1. What Google decides to put into their browser. 2. What is the accepted standard
The first does not, and should not be an 'open process' because creative work doesn't do well when made my committees of people with disparate ideologies and motives.
The second is currently adjudicated by the various standard bodies, and is an open process.
You're arguing that Google might become a 'defacto standard' and implying that it would be harmful for the web in general. However, historically the only harm that has come from a defacto standard is if it is either (a) overlaps with an official standard without using the same process or (b) fallen behind an official standard. This is the case with Internet Explorer over the past few years.
On the other hand, the things that IE did innovate on have been copied and become part of official standards (in some way or the other) to the benefit of us all (e.g. XMLHttpRequest Object).
However your argument raises an interesting point. What if Microsoft hadn't just let IE rot, but had actually continued to innovate it into an ever richer environment of their own design? Might they not have ended up with control over the web?
We have plenty of examples that when someone takes the design lead, it can be very hard to keep up with them by just trying to copy what they do - for one thing you're playing catch up by definition, and for another you may have made different design decisions that make following them more work. Furthermore, following at all further entrenches the design leader as the one for developers to target - "We can safely target these Chrome custom features because we know that firefox will be forced to adopt them too in order to stay relevant."
It seems entirely possible that given enough market share - which they don't have now, but might well be on track to acquire simply because they can advertise Chrome all over their site - Google could render the standards process irrelevant, and just develop the web to their own tastes.
Then a standards body can cement the innovation into a standard that everyone has to implement.
That said, I don't see how this particular innovation is any different from say a Firefox plugin. Yes, its proprietary to a single browser but can we argue then that if Firefox took the majority share on the web, we'd have to worry about people copying their plugin structure just to stay relevant?
Simply being able to copy it after the fact wouldn't change the fact that Google would be in control - not forgetting that everyone gets upgraded silently to the latest version whether they like it or not. Just copying features later wouldn't enable anyone to displace it. We are already seeing Google give preferential support for their own browser in their services. Surely this trend will only continue. Moreover what's to stop Google from having a head start taking advantage of browser features they haven't even released yet?
Why would a standards body even be relevant at that point?
I think history shows us quite clearly that a dominant browser has a massive effect on what other people can do with the web. For Microsoft it served their interests in keeping their OS relevant for longer. Why wouldn't Google use that position to serve their own interests?