Which Large Guest Blog Network is Cutts talking about?

[Felip3]

Did you guys see Cutts Last tweet?

Today we took action on a large guest blog network. A reminder about the spam risks of guest blogging: goo.gl/cnkoFA  Matt Cutts (@mattcutts)

Which Large Guest Blog Network is he talking about?

[GPainter]

You may find this helpful -

http://www.seroundtable.com/google-guest-blog-penalty-18278.html

The theory is MyBlogGuest was the one as you can't find them on Google anymore.

[Vahe.Arabian]

Guys,

My Blogguest was confirmed as the penalised site - http://searchengineland.com/googles-matt-cutts-weve-taken-action-large-guest-blog-network-187028