If you want your real estate listing to go viral … add a toddler?

Real estate agents use all kinds of marketing tactics to sell a home -- listing videos, open houses, 3-D virtual tours, staging, social media campaigns and HGTV-worthy professional photos, just to name a few. But as it turns out for one Australian family and their agent, Rebecca Halit, all it took was one precocious and ornery three-year-old who was determined to "photobomb" the listing pictures ...