OMG - I am still in shock trying to work out what google wave means. Is it the end of facebook, twitter, wikipedia and webpages - or are these sites just skins for the content - like email client wars that happened many years ago

How will sites keep control of content generated on their network? And more importantly make money from the ads next to them? Rss feeds where great as teasers to drive traffic to the site - but now any developer can create an app that sucks content from facebook - so the warriors attacking facebook are the users - Google just created the platform.

I like google docs but it doesnt have all the features I want - so I prefer to use a purpose build tool on my machine - I assume someone will soon create a filesystem that will proxy to wave when I save my document in MS word or on Mac Pages.

also not featured in the demo is the difference in context between methods of communications - for example: I  like to send emails for things that dont have to be done right now or can be publicly shared later as a record of events - and messenger is more for non-official conversations.

There as to be a massive market for selling wave style app into corporates - plus integration work. The fact that the corporate could host the wave app internally solves company paranoid concerns about data hosted externally plus it has built in access control on each entry. Internal corporate search tools represents a large market. Wave could do with a plugin that searches for questions in users conversations and matches it against known corporate approved answers.