In my ZDNet blog, I've published the first in a 3-part Case Study of a Web 2.0 business. Yellowikis is an open business listings site that has the potential to shake up the $22 billion Yellow Pages industry. What Wikipedia is to the Encyclopedia Britannica, Yellowikis may be to Business listings. In an email interview, Yellowikis founder Paul Youlten explained to me the background of Yellowikis, its business model and why he thinks it's disruptive. [Full story on ZDNet...]