Review Detail of Addic in Super Farmer

Came here for the poster LOL Not enough word counts so ignore the rest :D . . . . . . . . Recommendation system usually use user-user or item-item comparision, which means either way we need history data from the users. Thus, it is inevitably nowadays that online services (netflix, google, amazon) required to store customer database. However, for those free services, most will have to sell customers' information to third party (mostly marketing related) to cover the cost of hosting servers and other costs.