Widely used survey creation platform. Qualtrics allows creation of surveys in many formats, which can be delivered via websites (including via sites like Mechanical Turk), email, SMS, offline, etc. They also offer survey-related consulting and research services.
Major data broker that collects data from a wide variety of sources. They sell data and match up the identities of people across data sources. Acxiom also offers consulting services to help organizations use their data. They created a website (https://aboutthedata.com) that explains how targeted advertising works and offers to let people control how their data is used, but also likely collects data in the process.
Scott Howe, Warren C. Jenson, James Arra, Anneka Gupta, Rick Erwin, Dennis D. Self, Jerry C. Jones, Sheila Colclasure, Justin Schuster, Janet Cinfio, David Eisenberg