· Physical location of searcher having a greater influence on the results.
The second update is the most notable. Businesses in the same category using the same business address are starting to be filtered from the results, with only the most notable business showing up in the results. This change could pose difficulties for businesses without a physical headquarters using a virtual address service.
These changes, while appearing to be minor, would likely require a significant amount of work and testing from Googles local search team, before being distributed to the public. The release of several changes at once might indicate these changes as an annual or bi-annual release of changes from their local search team.
Fortunately, the Google Possum update should only affect a fairly small subset of businesses. If you have a local business and you noticed any changes to traffic around September 1, 2016 then the following article provides a comprehensive guide to this update.
Everything You Need to Know About The Possum Update
http://searchengineland.com/everything-need-know-googles-possum-algorithm-update-258900
Penguin 4.0—Penguin goes real time.
On September 23, 2016, a representative from Google reported breaking news on their Google Webmaster Central Blog that the much-anticipated Penguin 4.0 update had been released. If you’re wondering what Penguin is, Penguin is Google’s spam detection technology that assesses a website’s off-site behavior—backlinks in other words—and detects high amounts of low quality links, suspicious amounts of anchor text using the same keyword, and other spammy practices related to how the website approaches getting links to their site.
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