In today's digital era, technologies have enabled consumers with unprecedented powers which allow them to compare prices, find deals and voice opinions.
http://businessworld.in/article/Understanding-Telecom-By-Using-Voice-Of-Customer/01-07-2017-121133/
Simpel is the largest, independent sim only provider in the Netherlands. Simpel has been active in the Dutch telecom market since 2007. Thanks in part to its very distinct commercials, Simpel has gained a strong position in the telecom market.
https://mopinion.com/customer-success-story-how-simpel-boosts-customer-experience-using-mopinion/