As a business owner you need to make sure that you company data is secure where ever it lives. I am 100% certain that you will have at least one member of staff that has company email or documents on their personal mobile phone or tablet. This is a huge risk to your business. They could leave it on the bar, they could intentionally or unintentionally copy or remove data from your company systems to their own email or cloud storage. They could even entrust your data to a 4 year old when they give them their mobile or tablet to play on angry birds.
Here is a short video on how you can protect your business from intentional or unintentional data loss or compromise.