The app allows users to take a photo from their smartphone and send it as a high-quality printed postcard. "I've always loved the old-fashioned touch of sending real postcards, but I never have time anymore with my busy travel schedule," she says in a press release. "Now it's easy with Postcard on the Run."
She adds, "The one thing that I always have with me is my smartphone. In just seconds, I can send personalized photo postcards to my family and friends right from my phone. It's a new way to stay in touch the old school way."
We think Bieber is rubbing off Selena. The 17-year-old reportedly invested in a start-up in September. What do you think of the 'Hit the Lights' singer's new investment? Have you tried the app? Let us know your thoughts in the comments.