"Phone penetration" refers to the degree or level of smartphone usage or ownership among a population. It measures the percentage of people who own and use smartphones compared to the entire population. Full definition
As the Internet and mobile phone penetration increases, the popularity of this channel will only enhance. (policybazaar.com)
It could, therefore, become a fruitful breeding ground for cryptocurrency solutions especially given the country's low number of individuals with bank accounts but high mobile phone penetration. (bitcoinafrica.io)
Mobile phone penetration in Africa is growing exponentially, from 2 percent in 2000 to 28 percent in 2009 to an expected 70 percent in 2013. (discovermagazine.com)