As the years go by, we see so many different fads and trends in real estate. Some stick, others fall by the wayside. Some are huge, market-shifting breakthroughs; others are small-scale concepts. Perhaps none smaller than tiny houses, America’s most recent real estate fascination. If you aren’t familiar with how this viral sensation came to be, then perhaps you need to catch an episode of HGTV’s “Tiny House Hunters” to see what it’s all about.