Twitter to sell political ads

Executives at Twitter announced they would begin selling political advertising this week. The following Boston University experts are available to offer commentary, insight and analysis on this move:

Tobe Berkovitz, associate professor of advertising and an expert on media strategy and political advertising. He can be reached at 617-353-7724; tobetv@bu.edu; Twitter: @tobetv

John Carroll, assistant professor of mass communication and an expert on media criticism and political advertising. He can be reached at 617-353-3493; carroll7@bu.edu; Twitter: @johncarroll_bu