4) Google Pigeon

                                                               4) Google Pigeon

                                            Launched on July 24, 2014 .in US.

*What Work Google Pigeon is*

1)   It is also known as local search algorithm.

2)   It is providing a more useful relevant and accurate local search results.

3)   It is not Penalty based update.

4)   Provide the high quality relevant local search results at the top SERPs.

5)   It is search to web search capabilities with features such as knowledge graph, spelling correction, synonyms and more.