http://tags.library.upenn.edu/tag/tagging+mashups PennTags Feed http://tags.library.upenn.edu/makerecord/url/424 http://tags.library.upenn.edu/makerecord/url/424 This is a really hard thing to tag. Basically, it's a grid that shows what little applications exist that combine other commong applications. So, for instance, what exists to combine Flickr with Delicious. or with Google Earth. Or amazon.<br />