The confluence of two huge events in the world of tech — the Comcast-TWC merger and the potential death of net neutrality — might have even wider reaching effects than expected for consumers. Speaking with investors on Wednesday, Comcast Executive VP David Cohen announced that the company is expected to implement a “usage-based billing” system within the next five years, effectively capping data usage for subscribers. “People who use more should pay more and people who use less should pay less,” said Cohen. Comcast has already begun rolling out “pilots” in smaller markets to test the usage-based pricing model: “When we started we had two basic models, one is depending on the tier of service you bought, that’s how much capacity we would give you