[Air-l] How Many Sites on Web?

AoIRers, I'm looking for an up-to-date reference for how many sites are on the Internet. I've tried Clickz, Pew Internet, etc., but with no success. I've seen a figure of 1 billion Websites, but do not know where this figure came from. Anybody got hard info.? All the Best, Maura Maura Conway Teaching Fellow School of International Relations University of St. Andrews St Andrews KY16 9AL Scotland Tel.: +44 (0)1334 462939 Fax.: +44 (0)1334 462937 E-mail: mc52@st-andrews.ac.uk