Pay close attention. Google are not 'with' us. They are defending their position.
Google is working on blockchain-related technology to support its cloud business and head off competition from emerging startups that use the heavily-hyped technology to operate online in new ways.
There are different types of blockchain. Please educate yourself before becoming too optimistic.
https://blog.ethereum.org/2015/08/07/on-public-and-private-blockchains/