At change.org there is a petition named Google: Please kill your Penguin update. At the time I am writing this, it needs 10 more signatures to reach the 500 signature goal.
Here is the petition's summary:
With the recent Google Penguin update, it has become nearly impossible for small content based websites to stay competitive with large publishers like eHow, WikiHow, Yahoo Answers and Amazon.Countless webmasters have seen their livelihoods vanish overnight. In a recent interview, Sergey Brin came out against "Walled Gardens" of the likes of Facebook and expressed worries about the direction that the internet. Ironically, the Penguin update has created a similar garden that only admits multimillion dollar publishing platforms.
On personal level, this update has ruined small online businesses, passive incomes and families livelyhoods worldwide. The following are stories from independent publishers that has lost everything
Besides for the spelling mistakes or typos, I doubt this petition will play any role in Google rolling back the Penguin update.
Forum discussion at DigitalPoint Forums.
