I received this mail from Backupsy today:
Hello Joel, You are receiving this email because you have active services with us and have not opted out from our promotions/newsletters. If you do not wish to receive our promotions/newsletters, please click the link below to opt-out. We are back with an amazing promotion. We are going to double the amount you paid by Add Funds feature in your client area. For example, if you add $50.00 funds to your account, we'll add another $50.00 credit as a bonus. To add funds, please login to your account and go to "Billing -> Add Funds" or simply click here: https://backupsy.com/clientarea.php?action=addfunds
Pretty awesome for a service which already has made quite a good name for itself in the storage sector. I added $50 and received another $50.