How did Mark Cuban get rich?

How did Mark Cuban get rich?

Mark Cuban has an estimated net worth of $4.1 billion, according to Forbes. He's earned his fortune through a lifetime of business deals, including the $5.7 billion sale of Broadcast.com, his ownership of the Dallas Mavericks, and investments made on ABC's "Shark Tank."

Why do companies want your phone number?

Because a phone number often can be used to look up a customer's address, stores say it helps them send special offers through the mail or tailor those offers to a customer's prior purchases. Many stores have signs explaining such a policy near checkout counters.