Now that you mention it, I actually seem to remember that most plans nowadays are limitless in the same sense: When you've spent you 4 or 10gb, you simply "run

Now that you mention it, I actually seem to remember that most plans nowadays are limitless in the same sense: When you've spent you 4 or 10gb, you simply "run out" of 3/4g data and start using data speed limited to essentially 2g, which is unlimited.