The digital ad spending market could roughly triple to about $1.6 trillion in the next decade or so, potentially creating ample new opportunities for companies in this fast-growing space. Indeed, the world of digital advertising that was once dominated by major tech players like Alphabet (NASDAQ: GOOG) has given way to one in which AI-driven targeting and other innovations have made space for a number of smaller competitors to gain traction. Three companies in particular stand out for their unique positions in this industry—and for posting demonstrable growth while also trading at a discount relative to Wall Street's expectations.
