Sen. Elizabeth Warren, D-Mass., last week sent a letter to the agency that regulates commodity futures trading, arguing that it should extend its purview to online auctions for display advertising.

Display ads are a form of pay-per-click (PPC) advertising, where marketers pay each time someone clicks their visual ad rather than a text ad. While traditional PPC campaigns—like Google Search ...

Christiana Jolaoso-Oloyede writes for media publications, B2B brands and nonprofits. Using her research, analytical and writing skills from her training as a lawyer, she focuses on garnering accurate ...