Planet13 - 1:11 pm on May 18, 2012 (gmt 0)
Ok, so what does this all mean?
That Penguin is more of an exact match filter (as opposed to Panda which is supposed to be more domain wide)?
Also, another example of Penguin (I am pretty sure) at work is when my target page dropped out of the SERPs and was replaced by my home page.
That dropped page is NOT back in the SERPs when using ANY of the -keyword / -domain/tld techniques mentioned above. (although it does rearrange the listings of the SERPs for the other sites that are in there).