Describing electrical equipment

Audio surveillance recording devices and voice recorders are essential tools of the trade for countless professions. Having a digital record of conversations is *paramount to journalists and language teachers, and many more. Voice recorders are also perfect for college students to unburden their reliance on handwritten notes. Audio surveillance devices make transferring and organising files easy. *paramount: essential

According to the passage, who are such audio surveillance tools addressed to?

What should college students use and why?

The StasiThe Ministry for State Security, commonly known as the Stasi (German abbreviation for Staatssicherheit, literally State Security), was the official state security service of the German Democratic Republic. It has been described as one of the most effective and repressive intelligence and secret police agencies ever.