Splogs

Splogs are blogs created in order to increase linking - also called blogs spamming..

Instead of spamming other blogs, you just create 10s of blogs, interconnected together, to increase artificially your popularity. It works, and blog spanmming is a technique still widely in SEO.

it is estimated that between 2% and 8% of the 70 000 daily blogs created out there are splogs. scary.