Founded in 2006, the Paris-based start-up BlaBlaCar achieved unicorn status in 2015, and has gone on to become a multinational service provider in more than 22 countries, with 75 million users. Over time, the shared mobility space has become increasingly crowded, and COVID-19 has threatened its very ability to operate. What are start-ups like BlaBlaCar doing to ensure their survival moving forward in the age of pandemic? And assuming shared mobility recovers, what new business models will its continued onset open up?…