For several years Google has provided users signed into a Google account the option of receiving search results that have customized based on their previous search queries. On Friday Google announced that it will expand Personalized Search to all users. With Personalized Search, Google customizes search results in attempt to show results that are the most relevant to a user’s query when there query has multiple meanings. It will also show websites that the user frequently clicks on in search result higher in the search results. For users not signed into a Google account the customized results will be based on the searches linked with a web browser cookie. This means that a multiple users using the same web browser will receive customized results based on a combination of all users’ searches and users using multiple devices will receive different customized results on each device. The customization is based on up to the last 180 days of searches.