Douglas Harper's Etymology Dictionary
1849, from personalize + -ation.
Wiktionary
n. 1 The act of personalize something 2 (context computing English) offering user-specific customization 3 (context computing English) the act of changing an option of a multi-user software product to change the product's behavior or style for one user
Wikipedia
Personalization, sometimes known as customization, consists of tailoring a service or a product to accommodate specific individuals, sometimes tied to groups or segments of individuals. A wide variety of organizations use personalization to improve customer satisfaction, digital sales conversion, marketing results, branding, and improved website metrics as well as for advertising. Personalization is a key element in social media and recommender systems.
Usage examples of "personalization".
They sent her lectures on their own pet obsessions with a word or two of personalization, or they sent mimeographed letters to who-knows-how-many correspondents.
She still got eight-page letters from George Woodard about three times a year, but at least six of the pages were photocopied essays with no personalization whatsoever on them.
This simplifies testing and configuration management, accelerates time to market, lowers unit costs and allows companies to quickly and easily enter new markets and offer greater levels of personalization and customer satisfaction.