Simplify the following text for a Grade 5 native English-speaking person.
Original: As founder of Martha Stewart Living Omnimedia , she has gained success through a variety of business ventures , encompassing publishing , broadcasting , and merchandising . Her syndicated talk show , Martha , is broadcast throughout the world , she has written numerous bestselling books , and she is the publisher of Martha Stewart Living magazine .
Simplified: Stewart is famous for the Martha Stewart Living TV show and magazine .