Simplify the following text for a Grade 13 native English-speaking person.
Original: She also started appearing in Comcast 's XFinity ads that are prevalent in both the Internet and television in the United States , mainly with two different laptops and two different colored Persian cats .
Simplified: She also started appearing in Comcast 's XFinity ads that are shown on both the Internet and television in the United States , mainly with two different laptops and two different colored Persian cats .