Prison telecom is a $1.2 billion industry, mostly controlled by two private equity-backed companies: #GlobalTelLink (GTL) & #SecurusTechnologies 📞
en.wikipedia.org/wiki/Inmate_...
Prison telecom is a $1.2 billion industry, mostly controlled by two private equity-backed companies: #GlobalTelLink (GTL) & #SecurusTechnologies 📞
en.wikipedia.org/wiki/Inmate_...