ENGL108D Lecture Notes - Lecture 4: Sexting, Electromagnetic Spectrum

• School: University of Waterloo
• Department: English
• Course: ENGL108D
• Professor: Aimee Morrison

Document Summary

Electromagnetic spectrum used one large tower; radio interference problems. Cellular radio system used many smaller towers in a hexagon (honeycomb) design. Canada lags behind in mobile phone adoption. Digital phones provide business opportunities e. g. ringtones e. g. Digital phones provide business opportunities e. g. ringtones e. g. apps. Big 3 canadian mobile phone companies (until 2009: telus (koodo, rogers (fido, bell (virgin mobile) Mobile phone main health risk not radiation but distraction e. g. driving. Mobile environmental concerns e. g disposing of phones, cellphone / radio towers.