The growth was better than that of any other revenue line.
Prime added commercials to its original programming in January, opening up significant real estate to ad buyers.
The company has made significant strides in live sports, particularly the NFL.
Amazon corporate office building in Sunnyvale, CAGetty Images
Last month, after the quarter ended, the company announcedan 11-year rights deal with the NBA.
CEO Andy Jassy has at times lavished praise on the companys push into video entertainment.
In this quarterly earnings release, he focused on his alma mater, AWS.
The web-services unit returned to growth in the period.
