Complex sentence: The Boring Company is an infrastructure and tunnel construction company founded by Elon Musk in late 2016 after he mentioned the idea of making tunnels on his Twitter account.
Split into simpler sentences: The Boring Company is an infrastructure and tunnel construction company founded by Elon Musk in late 2016. The company was founded in 2016, after Elon Musk mentioned the idea of making tunnels on his Twitter account.