The cellular network business is one of the most competitive in the world, but it's also one of the most lucrative, and it's only growing. That being the case, it's not surprising that American telecom giant Comcast may be looking into entering this hotly-contested market. According to a report on The Information, Comcast is hoping to use its huge userbase of home Internet customers to create a combination Wi-Fi and cellular network, competing directly with carriers like AT&T, Verizon, Sprint, and T-Mobile.

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