Bitcoin is currently spooning...
OK so we all know the rhymes, cuddling leads to spooning, and spooning leads to forking...
Bitcoin is currently in the spoons position and gearing up to this impending forking, we expect a baby to be born from this interaction, that baby will be Bitcoin cash.
Your existing Bitcoins will entitle you to an equal amount of Bitcoin cash, as long as your coins are stored in a wallet where you own and control the private key. See my other post for more info https://steemit.com/wordpress/@lordtricky/re-wordpress-20170731t114034134z