Apple has had the social media handle since September 2011 but today it has light. The new Twitter account has the “Apple” logo and the background features the upcoming iPhone 7 event, the event which is scheduled fro 10am on September 7th.
Apple has also operated the social media account @AppStore which is the official twitter account for the AppStore.
Currently, there are no tweets from this account but it shows that they are working on becoming more social. The account is likely going to be marketing products and events.