In only 10 days I got results for the experiment that tried to detect Goog penalization. It turned out that 2 domains are penalized with a -20 fall.
The other result refers to the extent of indexation. It seems that penalized sites receive only superficial indexation. For instance, if a site is well indexed, all the word strings will be indexed, and searching for phrases within quotes will find them. If the site is badly indexed due to penalization, only individual words will be indexed, and the strings will not be detected. Interesting…
The other result is that penalization covers all subjects, even those unrelated to the main one. For instance, a domain penalized for duplicate content …