or messages are expected to be the most popular electronic way of saying "I love you," followed by email and eCards.
Seven percent of people planned to express their love in 140 characters or less in a heartfelt tweet.
"This idea of romance and expressing yourself is a little bit more public than it might have been in the past when it was just between two people," said Backs.
"We're proclaiming everything else in our day-to-day lives on social media and love is not different."
Another topic that people seem to be more open about discussing is finance and money. Nearly 44 percent of unmarried couples said they were talking about finances within six months of meeting each other, which was jump from 29 percent last year.
"We saw a significant boost there," said Backs. "It seems that people are a lot more open about discussing the topic."