While that sounds plausible enough, I've not encountered a website that didn't work in Opera for a long, long time.
Looks like they are back on track. I like the renaming of the upcoming release. A little sad to see Unite go. Perhaps it wasn't the right time - it always looked like a bit of a security nightmare.
Open services should be easily accessible/usable in the OS layer and across networks, but I guess they currently aren't - without some skill.
If I take my laptop around someone's house and want to share a few files - how easy is this? If I want to just play some tunes, or a video from my laptop on someone else's PC or set top, how trivial is it? Not very. At least not for the mythical average user.
A decentralised web sounds good to me also. And lowering the barriers to web publishing where you have control over the content in my eyes is a good thing.
Unite though feels like a component that could live happily outside of the browser (again ideally in the OS layer). The email client could be standalone also. Unless they want to go the Chrome OS way.
I remember trying to sign up to ebay - I had to move through three different browsers - then swap Operating system and move over to Internet Explorer - because of some weird bugs!
That's not poking a hole at any of the other browsers, but it's to say that quirks can be found in all of them (even if that's through fault of the page author.) Under those circumstances it's just easier to move over to another browser.