Spring Offer: Get 1 Year, Save 58%

Michael J. Armstrong

Advertisement:

FILE - In this Monday, July 18, 2016, file photo, American Express credit cards are seen, in North Andover, Mass. On Thursday, Jan. 19, 2017, American Express reports financial results. (AP Photo/Elise Amendola, File) (AP)

How manipulative are “loyalty points” programs?

Michael J. Armstrong
(Getty/Kevork Djansezian)

Legal cannabis vs. black market: Can it compete?

Michael J. Armstrong
(AP Photo/Ted S. Warren)

How “customer experience” became crucial to online business

Michael J. Armstrong, Narongsak (Tek) Thongpapanl
People wait to buy the new Apple iPhone 6 and 6 Plus devices, outside an Apple store in Hong Kong Friday morning, Sept. 19, 2014. The iPhone 6 and 6 Plus were released on Friday in Hong Kong. (AP Photo/Vincent Yu) (AP)

How brands turn customers into devoted followers

Michael J. Armstrong, Maxim Voronov, Wesley S. Helms