Serena Williams Fronts <br />Campaign for Bumble Dating App The tennis star has become <br />a global adviser for the <br />social and dating app, Bumble, and will appear in their <br />upcoming ad campaign, <br />'The Ball is in Her Court.' According to Reuters, the ad <br />will debut during the Super Bowl. Serena Williams, to Reuters Bumble's interface is unique <br />in that it puts the power in <br />the hands of its female users, with men only able to speak <br />to women once the woman <br />has sent the first message. The app also offers <br />a Bumble Bizz mode
