Concussions sustained while playing football are increasingly becoming a concern to players of all ages. Changing the violent nature of the game itself may be near impossible, but work is being done to improve safety equipment for players on the field. CNN's Poppy Harlow speaks with Dr. Vin Ferrara about recent advancements in helmet technology.
Despite being the most valuable company in the world, Apple still has it's doubters. Notably, tech investor Mark Cuban. CNN's Poppy Harlow speaks with Cuban about why he's not optimistic about Apple's future and why he ditched his iPhone.
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