The top 5 wireless ads: Vote for your favorite May spot from Verizon, T-Mobile, Sprint and more

FierceWireless has partnered with iSpot.tv, a TV ad measurement company with attention and conversion analytics from 10 million smart TV screens, to bring you a monthly snapshot of the wireless industry’s advertising spending. The results below are for the top five biggest spenders among wireless industry brands from May 1-31.
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