Here is why SoftBank has invested $125 million in Alphabet venture

SAN FRANCISCO: A SoftBank Corp business seeking to find a way to fly cellphone antennas high in the atmosphere to provide internet in underserved areas said on Wednesday it was investing $125 million in an Alphabet Inc spinoff working on the same problem.
SoftBank’s year-old HAPSMobile and Alphabet’s Loon, which spun out last July from the research incubator of the Google parent, separately have been trying to fly networking equipment at high altitudes to provide high-speed internet where ground-based towers are unreachable.
Loon carries the gear with a large balloon, while HAPSMobile uses a large drone.