The basics of every blog network depends on High PR Expired Domains. Blog Networks are the biggest challenges before Google and therefore they manually started deindexing them. But it seems Google has caught the nerves and started devaluing links to all the expired domains as soon as they get expire. Especially this is happening with expired .jp domains. Just take any expired domain name and perform a site and link query in google, you will not able to find results. Has anyone else experienced this also.