As Apple continues to bring its Developer Center back online after a week-long outage, the company is sending out emails to developers noting a potential delay for app reviews. ReadWrite has posted one of the letters being received by developers:"We are currently reviewing an app that you submitted for inclusion on the App Store, and want to let you know that the review process will require additional time. We apologize for the delay and will provide you with an update on the status of your app as soon as possible."Such letters are not uncommon, of course, but given the amount of time that the Developer Center was offline, it makes sense that Apple would have a backlog of reviews to work through. For the majority of the outage, developers