= Aperture Datasources =


= Tagging datasources =
Users that have flickr.com or technorati accounts have their mental concepts already entered as '''tags'''. Each tag is, per default, a candidate to be an instance of type "topic". Ususally, Tags are topics anyway. we think of:

 * del.icio.us
 * flickr.com
 * technorati (hm, this is not personalised, we need personalised stuff)