The authors reflect on a 1998 paper in First Monday.

Almost a decade later, the most glaring omission of our vision for a more trustworthy Web was ...

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We captured what I believe today is the essential challenge: a plastic medium for presenting information is necessarily at odds with a static medium for memorializing trustworthy transactions. If anyone can whip up the look-and-feel of a banking site, nobody can.

And more:

A world in which the only alternative is to pay for an (expensive!) crawl of one’s own, with its attendant limitations on freshness and breadth suggest that there is still ample room for innovation, into event-driven (“push”) architectures, into reputation management by way of social network analysis, and other new technologies for safely harnessing the power of the Web, warts and all.