Now that every week does not bring 100 new b2b e-business portals anymore, InformationWeek as an interesting story on Oregon's use of eBay to sell governmet surplus property.
That's an e-business disruption happening right there. It might just be the case that for many transactions the infrastructure that is eBay is enough even for offering complicated portfolios of merchandize.
It is an interesting example of low-end general use consumer functionality being quite sufficient for high-end specialized use. We might soon say our final goodbyes to specialized portals.