We think it’s officially time for all major US carriers to be prohibited from using the word “Unlimited” in their data plan marketing materials. Following on the heels of Verizon and AT&T, Sprint has made the decision to cap their “Unlimited” data plan at 5GB of monthly usage. According to a leaked internal memo, the company is also going to impose a 300mb limit on off-network usage. The cap is set to go into effect on the 13th of July. The good news, however, is that this might give anyone eager to leave the carrier an ETF-free window, provided the change constitutes a “mate...