https://www.psicologia-online.com/factores-de-la-comunicacion-en-la-vida-cotidiana-2602.html – Communication factors
https://www.technology.org/2017/07/04/the-evolution-of-communication-infographic/ – Evolution of communication
https://www.telegraph.co.uk/technology/mobile-phones/9718336/Text-messaging-at-20-how-SMS-changed-the-world.html – The impact of SMS in the society
https://www.lifewire.com/best-mobile-messaging-apps-2654839 – Messaging applications for mobile phone and their advantages and disadvantages
https://simpletexting.com/text-message-advertising/ – Text messaging in advertising and some examples
https://www.forbes.com/sites/forbesagencycouncil/2017/08/25/finding-brand-success-in-the-digital-world/#7d4d562d626e – Brands and their massive marketing, how it affects people’s behaviour
https://www.gestiopolis.com/comunicacion-formal-e-informal-en-las-organizaciones/ – Formal and Informal communication
https://courses.lumenlearning.com/sac-businesscommunication/chapter/4-8-slang-and-idioms/ – Common slang and idioms in communication