Systems and methods for creating an opinion timeline. Users are able to submit ongoing reviews for products and services based on extended use, new revelations, additional features, upgrades and the like. Users can be notified of upgrades or improvements and are requested to provide another review of the product or service which is tied to the original review. Users can also update their review of the product or service based on a change in mind. The opinion timeline can be applied to reviews of products, television shows, music, etc.