Whitey - 1:54 am on May 23, 2013 (gmt 0)
on twit MC said the original version of penguin "essentially only looked at the home page of a site",
@Shepherd - can you provide a reference / link. I haven't heard of that.
Terms supported by exact match anchor text from IBL's seem to have been hit on previously unaffected terms, which were more lightly linked. From my perspective it looks like a lowering of the tolerance threshold. Brands seem unaffected again.
Still early days for analysis.