Complex sentence: Nightscout began as a group of technologically savvy parents collaborating to solve similar problems and has become a resource for more than 15,000 Type 1 diabetes families all over the world.
Split into simpler sentences: Nightscout began as a group of technologically savvy parents collaborating to solve similar problems. It has become a resource for more than 15,000 Type 1 diabetes families all over the world.