Big companies like to put their names on places where a lot of people go. It's a sign that they're big. It's a form of advertising that people can't turn off. Every time you go to an event, you type in the company's name followed by the words "Center" or "Arena," and there you are.

T-Mobile wanted some of that action, and now it has an arena of its own. According to USA Today, the company has reached a deal with MGM Resorts International to sponsor the new 20,000 seat arena set to open in Las Vegas in the spring.

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