The flexibility and scalability, especially in terms of security. We are using this platform to host our web applications (which include an E-Commerce solution). It is easy to deploy, manage and maintain. The user interface could be improved but it's not very difficult to use. There aren't many options for customization so we have had to rely heavily on their support team. To date there has been no issues with the service provided by them. Hosting our ecommerce site, which includes multiple marketplaces such as eBay and Amazon.