Many users need to monitor and send/receive email from multiple accounts. Helpdesk, HR, Marketing often need to be able to manage email accounts for multiple accounts. Consultants also need this. As Domino becomes more widely used (again) it is not surprising to have the need to handle multiple accounts be very widespread. This functionality is readily available in *ALL* other mobile device messaging apps, even Yahoo. If you're gonna run with the big dogs, a toy poodle app for messaging won't do.