A sensible use of the cloud
To me, bookmarks are precisely the kind of thing suited to a cloud solution. I never used to bother trying to keep them because I was forever changing computers, browsers and operating systems. When del.icio.us appeared, I signed up straight away and have thousands of well-organized bookmarks on there. I couldn't bear to lose my bookmarks, so have now joined Pinboard, who seem to have done a nice job of replicating delicious exactly. Clearly some people would pay for this kind of service.