first stop » http://www.dataliberation.org/

extracting / exporting data from various online services

• http://export.delicious.com/settings/bookmarks/export
• flickr → flickrFS
• bit.ly → https://github.com/aortbals/bitly_exporter
• tumblr → http://boutofcontext.com/tumblr_backup.php
• dopplr (just do all the trips again,.. .)