The best way to examine what this can do for you is to dive in. Do that by creating a Coinbase account and transferring some funds there to purchase the Ether crypto currency. Then install MetaMask into your web browser to use as a Crypto wallet and transfer some of your Ether into that wallet.
But why do that? In part it is to prepare yourself for what is to come. This is clearly the wave of the future. But Ethereum can also enable you to make online purchases securely, reducing the chance of fraud again you while protecting your privacy. It can also enable you to enter into smart contracts with suppliers and can allow you to make investments in organizations where you can confidently know what your terms are. Additionally, it will enable you to write your own smart contracts and interact with others using your own smart distributed applications.
For a succinct overview on how Ethereum works see this short video: