Web Citation Index

This article (Thomson ISI to Track Web-Based Scholarship with NEC's CiteSeer) is about ISI & CiteSeer's collaborative project to do citation search and tracking on the web, combining what CiteSeer does with what Web of Science already does to make something bigger and better. ISI demo'ed a very early version at SLA a few days ago and it was very interesting looking. My only question is what will become of CiteSeer in this collaboration? If the WCI includes all the content and services that CiteSeer includes for free...