How you use and manage your Corporate Network is up to you. However being a Corporate Administrator gives you powerful features not available to regular iStockers. Being a Corporate Administrator includes some of the following responsibilities.
Managing Sub-Accounts - this includes adding, removing, locking, checking downloads and changing credit allowances.
Managing your credit pool - purchase credits in bulk for your network or by Subscription and assign an allowance for each Sub-Account.
Sitemailing - you can communicate with your whole network or individual members by using iStockphoto's sitemail ability
Pulling reports on Sub-Account downloads, purchase history and more