sGroup - 9:50 pm on May 30, 2010 (gmt 0)
your question are aimed to sites that are affiliate sites. Not all sites on teh web are affiliate sites. You may want to get some better questions together to figure out the algo change.
It is not affiliate site only algo change. I think it is inbound link value change.
# does the site have affiliate links? answer: NO
# if yes, how many per page? answer: NOT Affiliate site
# if yes, is nofollow used? answer: NOT Affiliate site
# does the site repeat verbatim title and descriptions of products as worded on the affiliate site? answer: NOT Affiliate site
# if yes does the site offer any unique content to improve the "stock" product information? answer: yes
# is the site a thin affiliate site? answer: NOT Affiliate site
# does the site, if it is an affiliate site, have a better than 50/50 ration of non affiliate pages? answer: NOT Affiliate site