Apple's yearly developer conference should see iOS 8, OS X 10.10, and likely some hardware.
Apple Advertises 300 Million Apps Downloaded, Over 10,000 Apps in App Store
O2 ad posted to Flickr
Both Apple and O2 have started advertising the App Store in print media today. O2 posted a copy of this ad which appears in The Metro. Meanwhile, Macworld reports that Apple has placed ads in The Wall Street Journal and the New York Times.
In the U.S. print ads (not pictured), Apple reports that 300 million apps have been downloaded and confirms that the App Store now carries over 10,000 applications. The App Store crossed over the 10,000 app point on Wednesday and the current App count is 10,353 apps according to AppShopper.
Apple last reported that they had exceeded 200 million App Store downloads in late October.
Update: Macworld has published a photo of the U.S. ad.