In an ever-shifting marketing landscape, innovation, agility and consumer insights can make or break a business. Legacy brands with well-established names and challenger brands breaking into the space must stay equally competitive to gain and retain a loyal audience. Join Adweek for the fourth-annual Challenger Brands summit, a signature Brandweek series event, to learn from disruptive and legendary brands that are redefining the industry. This year, we’ll explore eight crucial topics ranging from e-commerce to live marketing, UX and more.