Receptional - 2:42 pm on May 18, 2007 (gmt 0)

comScore and Nielsen, meanwhile, prefer a panel method

Well - they would, because it's a bigger barrier to entry. But I really think they have no choice but to open up. How on earth can you profess to provide research data without having the statistical analysis and methods open to scrutiny?

Conscore tried to bite back [webmasterworld.com] with a claim abourt coookie tracking, but it's hard to throw stones when you lilve in a glass house.