The Router Economy

I just want to know how the agent knew what they used ? Did it make calls to cancel subscriptions? Did it text the company? Did it send letters?

A quote from the article: "" Muse:... One of the first jobs people gave it, and rivals like Instinct, was to go through their bills and cancel what they no longer used. ...from telecoms and insurers to Netflix and Booking, and it fell more than 7% in six trading sessions. ""