We're working on something remarkably close to what the article describes, but not taking the search engine approach you allude to. Rather, we're trying to make

We're working on something remarkably close to what the article describes, but not taking the search engine approach you allude to. Rather, we're trying to make it into a useful multi-tool close in spirit to systems like Pachube, a component that coders/bloggers/site authors/whoever can drop into their projects. And you're right. Semantic formats are very heavy weight. There are a lot of useful things that can be done with semi-semantic data before we achieve full linked-data across the web, if that even ever happens (you could argue for and against such visions, IMHO). Check it out at: http://scrapmetl.com/ http://scrapmetl.com/ and give us a shout on Twitter @Maciek416 and @corban if you're interested in playing.