Now all of us, students, business man, organizations and etc used Google products. The Google account has been the glue that keep our devices together for android users. And company sometimes used the Google apps to provide their own domain for their employee. But right now, there's a problem that has been overlooked. The company domain of Google apps account can't be used for personal and therefore user need to create another account for personal use. This is a frustrating things as people have to change accounts from their work to personal every time. But right now Google has offer a transition for the accounts as they explained : Click Here
Basically what it is saying is that now using your Google apps account, people can access personal services like Picassa, Google docs and etc. And of course this cause a conflict with the personal account that people had already created. To solve this, Google will ask you to change the name of the account if the account is in conflict with another of your account. For more detail, refer to the link above.