Generation in this sense of birth cohort, also known as a social generation, is widely used in popular culture, and has been the basis for societal analysis.
For Power BI Premium, you get 100TB of storage and a data refresh maximum of 48 per day (minute-based schedule that can be refreshed every 30 minutes).
How often does AT&T update usage data? Usage data is pulled from the network every 4 hours for most customers and at 15-minute increments for higher-usage customers. Usage information for the first day of a new bill cycle may not be available for viewing until later on the first day of the new bill cycle.