As i say in this Purim Torah answer, we can't use smartphones because "The vaad found out that Siri's not a guy". (From the song Hang Up the Payphone by A.K.A Pella.) However, that inspired a ...
Chacham Ovadia writes in Yabia Omer 1:6(end of section 7) different opinions on listening to a woman's voice without knowing what she looks like. He brings the gemara in Berachos 57b that says: three ...