Democrats are thinking about using Internet balloting in 2016 to expand their voter base and select a president — prompting Republicans to consider such a strategy to keep from losing ground.

Iowa Democrats proposed the idea and several others during a recent Democratic National Committee meeting, saying Internet balloting could expand access to their unique caucus process to overseas military personnel, absentee voters and others.

They have already conducted some interviews and are now embarked on a “listening tour” to get input from party activists, caucus experts and others, says Iowa Democratic Party spokeswoman Christina Freundlich.

“We’re looking at different options,” she told earlier this week. “Democrats are always looking at ways to get more people in 2016 to participate in the Democratic process.”

The idea of online voting is nothing new, but Iowa Democrats considering the idea, with the DNC’s support, has reignited debate on the issue.

Read More: