Adrian Chia is one of the three co-founders of Big Tiny, a tiny house startup.Adrian ChiaOn a trip to Melbourne, Adrian Chia envisioned a holiday home to unplug from the world.He sold his IT business and partnered with two friends to build Big Tiny, a tiny house startup.Big Tiny now manages more than 400 tiny houses in more than 10 countries worldwide.How nice would it be to leave everything behind, unplug from the world, and relax abroad?This thought lingered in Adrian Chia's mind after a two-week family vacation exploring the Great Ocean Road in Melbourne in 2016.Shortly after returning home to Singapore, he floated the concept of living an unplugged life by his friend Dave Ng, whom he'd met in his 20s during mandatory national service."We were just chitchatting, but Dave started thinking about it seriously," Chia, now 43, told Business Insider.