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"E-wallets are often backed by internet startups, telecom operators, governments and banks. In one country alone, there could be 10 to 20 e-wallet service providers, each of them having their own market," he added.
"Definitely, this (strategy) will have a positive impact (to the world)," Lopez said.
"Digital media can promote sales based on analysis of audience behaviors and interests," said Shen Hao, a researcher with the State Key Laboratory of Media Convergence and Communication and professor of the School of Journalism of the Communication University of China.
"E-cigarettes should be treated with caution by users, especially those who are non-smokers," the authors wrote.
"Despite the COVID-19 pandemic, we have seen explosive growth in online sales, especially through livestreaming channels," said Li.
