"Our signal is so much better. We've got 30 million users a day on the best brands ever. We know exactly what people want. He (Lawson) is going to help us turn this into what we think is going to be an amazing way to target the open web," Vogel said.
Gambling companies are covertly tracking visitors to their websites and sending data to Facebook's parent company without consent, raising serious legal concerns.
Roku has launched its self-service advertising platform, Roku Ads Manager, to help advertisers easily buy ad space across all its streaming options, despite its late entrance into the market.