> It means the data is unmetered. Bandwidth may be throttled. If bandwidth is to be throttled after a specific amount of data has been used (rather than, say,

> It means the data is unmetered. Bandwidth may be throttled. If bandwidth is to be throttled after a specific amount of data has been used (rather than, say, in response to current overall network load), the data is clearly being metered in order to detect when to start throttling.