Mall staple Hot Topic is taking another chain under its umbrella for a $122 million price tag, announcing that it’s acquiring Geeknet, Inc., parent company of online retailers ThinkGeek and ThinkGeek Solutions, for $122 million. Commemorative T-shirts with cheeky sayings for everyone! Hot Topic is known for its mall stores as well as its status as an online purveyor of goods you might find at the mall.