A data as service site that offers access to data (no downloads) via API codes. Has helps for authors to prepare their data, APIs for data, etc. Currently in beta.
I mention it because data as service is one model for delivery of topic map content so the successes, problems and usage of Kasabi may be important milestones to watch.
True, Lexis/Nexis, WestLaw, and any number of other commercial vendors have sold access to data in the past but it was mostly dumb data. That is you had to contribute something to it to make it meaningful. We are in the early stages but I think a data market for data that works with my data is developing.
The options to download citations in formats that fit particular bibliographic programs are an impoverished example of delivered data working with local data.
Not quite the vision for the Semantic Web but it isn’t hard to imagine your calendaring program showing links to current news stories about your appointments. You have to supply the reasoning to cancel the appointment with the bank president just arrested for securities fraud and to increase your airline reservations to two (2).