Verizon is targeting young viewers with its new go90 video app, which is expected to be available for iOS and Android within the week. Ryan Knutson, a millennial journalist for The Wall Street Journal, offers a largely positive review after testing the beta version, but notes that good content — the challenge for most online services — will be the key factor for younger audiences. Knutson is encouraged by the design, intuitive functionality, ease-of-use and navigation, load time, and social components. “Whether it succeeds, however, depends entirely on whether it has good content,” he writes.