Personalization is no longer a nice-to-have—it’s what users expect. From...
https://wiki-book.win/index.php/How_Do_Recommendation_Systems_Work_in_Plain_English%3F
Personalization is no longer a nice-to-have—it’s what users expect. From streaming services that suggest shows you'll actually enjoy, to fitness apps tailoring workouts to your progress, digital experiences now put you in control