General search term.
Might be referring to: prepaid internet is internet service that you pay for before you use it. It's just like prepaid cell phones, except instead of paying for minutes, you (usually) pay for the amount of data you want to use. However, in some cases there is the option to prepay for internet on a daily, weekly or monthly basis..
This is a seasonal trend that repeats every February.
This trend is forecasted to be growing in the next 2 years.