It's hard to overstate the impact of the Microsoft Office for iPad. The arrival of the dominant productivity suite on the dominant tablet promises to change how iPads are viewed in the enterprise. Office for iPad may also crush competitive apps, shut out Cloud storage providers and limit MDM vendors.
dropbox - News, Features, and Slideshows
Cloud storage services such as Dropbox, Google Drive, and SugarSync are convenient, efficient--and notoriously insecure. Files are rarely encrypted, data transfer is typically not protected, and companies are usually able to access your files (even if they state they won't, they may be legally compelled to do so).