big companies [in the US] already largely deal with retention/e-discovery requirements. there are many, many offerings, like Google Apps Vault, to facilitate t

big companies [in the US] already largely deal with retention/e-discovery requirements. there are many, many offerings, like Google Apps Vault, to facilitate this. https://support.google.com/vault/answer/2462365?hl=en https://support.google.com/vault/answer/2462365?hl=en