Trump recently stirred a controversy when he called for barring all Muslims from entering the United States.
Speaking at the Economic Times Global Business Summit here, Randi said technology has given voice to voiceless and played a key role in revolutions like Arab Spring.
"At the same time when you give a voice to the voiceless, you also give a voice to people who have hateful things to say and people like Trump who probably shouldn't have a voice at all," she said.
Her brother Mark too had last month differed with Trump when he pledged that Muslims will always be welcome on Facebook and said he "will fight to protect your rights and create a peaceful and safe environment" for them.
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Randi, a Harvard graduate, said she has worked on projects like presidential elections, disaster relief response and global events strategy.
"I am excited about the opportunity of tech to give people a voice. I witnessed Arab Spring, global elections first hand. I have witnessed how governments have become more transparent and more accountable because of technology," she said.
"Now of course at the same time, this can be scary or threatening to those who have a vested interest in keeping society the same," she added.