Think about it this way: All the technology accumulated from the dawn of time to today has given us a certain amount of processing power.
Today they had conversed via a word processing program.
Processing what happened took her adrenaline-fused mind a long moment.
In this way, you are processing aurally, which is much slower but more focused than silent reading.
Any time you can move data processing from intellects to CPUs, you get vast improvements in efficiency.