17:06World Have Your SayApps Help Blind Users 'See'BBC World Service Duration: 50 minutes Wed 6th Apr 2016, 17:06 on BBC World Service South AsiaAvailable for over a yearListen nowBlind people talk about new apps launched by Facebook and Microsoft; US Republican voters on the setback for Donald Trump in Wisconsin; and Whatsapp's move to encryptionGenresNewsFormatsDiscussion & TalkBrandWorld Have Your Say Source: BBC Online