"LG Smart Ad analyses users favourite programs, online behaviour, search keywords and other information to offer relevant ads to target audiences. For example, LG Smart Ad can feature sharp suits to men, or alluring cosmetics and fragrances to women.Furthermore, LG Smart Ad offers useful and various advertising performance reports. That live broadcasting ads cannot. To accurately identify actual advertising effectiveness."
In fact, there is an option in the system settings called “Collection of watching info:” which is set ON by default.