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Big providers like AT&T, T-Mobile and Verizon don't focus on providing wireless service to sparsely populated regions of only a few hundred or thousand, as the money is to be made in denser urban areas.
Both companies' shares rocketed in 2019 and the first month of 2020 saw them reach record highs.
Borje Ekholm, president and CEO of Ericsson, said the development of 5G technology will help connect more things to the internet and help make factories intelligent.
Biotechnological research and applications should be guided and regulated through legislation to promote fast and proper development of biotechnology, as well as prevent and reduce possible hazards and losses, Li said.
Black titania serves as an efficient visible-light catalyst, while the 3D graphene can "catch" organics, Huang said.
