reseller - 7:16 am on Jun 30, 2013 (gmt 0) [edited by: Robert_Charlton at 8:07 am (utc) on Jul 2, 2013]
In the past Matt Cutts asked sometimes for feedback in connection with Google algo updates.
However, I guess you can tweet your feedback to him directly on Twitter [twitter.com...]
Mod's note: Please note that, as the Google Forum Charter [webmasterworld.com] explains, this forum is not a vehicle to communicate with Google - it's a place for us to have our own discussions and analysis. The Charter does describe four of the most effective ways to reach Google. Twitter isn't in our list, but you're welcome to try. ;)
[edited by: Robert_Charlton at 8:07 am (utc) on Jul 2, 2013]