What to watch: 'Katy Perry: Part of Me' movie trailer

What to watch: 'Secret Millionnaire' on ABC at 8 p.m. EDT

The secret's out! Some of America's most successful self-made millionaires are embarking on a truly incredible journey. They will spend a week in the country's poorest areas and ultimately reward some unsung community heroes with hundreds of thousands of dollars of their own money.

New website: Mombo, www.mombo.com

Twitter is full of 140-character movie reviews, but it can be tedious to wade through all the movie mentions. This site analyzes all tweets about popular movies and provides users with a rating based on the crowd's opinion.

Video: 'Katy Perry: Part of Me' movie trailer

Scroll to the bottom of the page to watch the "Katy Perry: Part of Me" movie trailer.

-- GateHouse News Service