Mom who thought the Kakao Talk vote was a secret vote

(1)Group chat 4
(2)July 21, 2015, Tuesday
(3)My mom invited my dad, younger brother, and me
(4)What should I eat today
(5)Your vote has been registered
(6)Check Now
(7)232pm

(1)an ongoing vote
(2)What should I eat today
(3)2015721 630pm
(4)Please vote

(1)See who voted