We are addicted to our mobile phones.90% of the text messages are read within 3 minutes. Not to forget that 68% of people sleep with their phones. It's a crazy world.
Statista report that the number of mobile phones increased form 4.15 billion in 2015 to 4.57 billion in 2018. The number is expected to cross 4.78 billion in 2020. It's clear that more people will come under the umbrella with every passing day.