Subway commuting may be about to get easier for expectant mothers, with tests beginning Monday in Tokyo of a new system that will allow them to ask willing passengers via a chat app to give up their seats.Tokyo Metro Co., Line Corp. and Dai Nippon Printing Co. are conducting the test on the subway's Ginza Line until Friday to check the feasibility of the service, which uses the Line messaging app and a system developed by Dai Nippon Printing.The service is aimed at linking pregnant women with passengers who are willing to offer their seats for the women, but who "would not notice their exis…READ FULL ARTICLE