Jennifer Lopez

A celebrity got more coverage than any wireless carrier or phone manufacturer at the wireless industry's trade show.

Verizon Wireless's welcoming Jennifer Lopez on stage Wednesday to announce a marketing deal with the singer, actress and businesswoman's new Viva Móvil phone retail chain came after two days of little to no news at CTIA 2013 from it, AT&T, Sprint and T-Mobile and the companies that make most of their phones: Apple, Samsung, LG, HTC and so on.

Apple doesn't exhibit at other people's conventions, but the other companies scaled back their presence

Harman International this year is continuing its relationship with the Grammy Awards. The company is planning a presence at Sunday's awards that will include the debut of new commercials as well as sponsorship of the show itself.

Harman announced Monday that the Harman Kardon brand has picked up a high-profile endorsement: singer, actress and "American Idol" judge Jennifer Lopez.

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