I throughly made use of my AT&T Unlimited Data plan last month. I usually stream music when I'm not home during the day. I focused on my YouTube playlist instead of Pandora and iHeart Radio. Myself and my kids also use Netflix. My iPad only has a 5GB account so they used my phone while on a road trip. Data just kept racking up. I find that it goes up much faster in areas with faster speeds. It's like having a big funnel instead of a small one that is restrictive. Their site showed 200GB when my statement closed last night. It takes a few days for all of the data to update so that will be higher. The last update I saw on my phone was 205GB. I believe one other member has posted 200+ GB usage. He doesn't have a wired home internet so everything goes though his phone.