Your recent download with your Apple ID.

Dear yinpong lam, Your Apple ID, yinpong@gmail.com, was just used to download USB Disk for iPad from the App Store on a computer or device that had not previously been associated with that Apple ID. If you initiated this download, you can disregard this email. It was only sent to alert you in case you did not initiate the download yourself. If you did not initiate this download, we recommend that you go to iforgot.apple.com to change your password, then see Apple ID: Security and your Apple ID for further assistance. Regards, Apple TM and Copyright © 2014 Apple Inc. 31-33, rue Sainte Zithe, L-2763 Luxembourg. All rights reserved / Keep Informed / Privacy Policy / My Apple ID