Penguin 3.0 analysis from data supplied by Microsite Masters.
Panda 4.1 released in September 2014.
I’m not sure when the switch was made, but Google have changed their “link schemes” webpage (in the Webmaster Guidelines).
Penguin 2.0 will be the big brother of Penguin 1.0, devastating those “spammy” websites that managed to get through the first incarnation. Here, Matt Cutts discusses what Google have planned for the summer.
One of my favourite Google tools is being discontinued – Google Reader.
More Google updates in 2013.