How A.I. Tools Could Change India’s Elections

For a glimpse of where artificial intelligence is headed in election campaigns, look to India, the world’s largest democracy, as it starts heading to the polls on Friday.

An A.I.-generated version of Prime Minister Narendra Modi that has been shared on WhatsApp shows the possibilities for hyperpersonalized outreach in a country with nearly a billion voters. In the video — a demo clip whose source is unclear — Mr. Modi’s avatar addresses a series of voters directly, by name.

Down the ladder, workers in Mr. Modi’s party are sending videos...