It's never late to get into the crypto train and it is a very exciting time to be here watching the technology grow as a whole. Seeing major companies getting into crypto is proof that everyone is seeing the potential and benefits it can provide them and its just a matter of time before the entire world recognize its good use case. Blockchain and some projects are helping reduce the costs of maintaining networks, transaction fees, and electricity usage. Start with BTC and ETH as the coins to get if you're starting and start to get to know projects that you see are promising and provide you with whatever goal you have, may it be ROI, etc.