French bank Groupe BPCE announced Tuesday what it called a "world first in the payment-media field" in allowing payments to be made via Twitter. It said in a press release it has created, in partnership with its mobile-payments subsidiary S-money and Twitter Inc., a system where any holder of a French bank card can send money through Twitter. “This innovation opens up numerous opportunities in the payments field: charitable donations, crowd-funding in all its forms, ticketing, cash-back programs, etc.," S-money CEO Nicolas Chatillon said in the release....