One of the many half-written technical reports I haven't got round to finishing is an informal analysis of the sorts of tag I've used for tagging my delicious bookmarks.
One class of tags in particular is ripe for playing with - performative tags:
An utterance is a performative when its function is to perform the action mentioned rather than to express a proposition about itWikipedia...
The idea of performative tag is one that is operationalised - or made to perform - using some sort of script that acts on links carrying that tag, like the delicious playtagger or even the feedthru tag I use to feed links through my OUseful feedburner feed on a daily basis.
Here then is a quick spec to myself about what I need to do with my toprint tag to get a daily print out of pages so tagged: