Yahoo Mail adds ‘Undo Sent’ in latest update, can it challenge Gmail?

Yahoo Mail on Thursday introduced several new updates for iOS and Android operating platforms key among them being an ‘Undo Sent’ option. These updates are focused on allowing users to add personal touch to their inbox, but the big question is can it challenge Google’s Gmail?
In June, Reuters news agency reported that both Verizon Communications and AT&T are set to make third and final round bids for Yahoo’s ‘core’ business of mail, Web and advertising pro