One thing that was pretty apparent in the WWDC 2012 Keynote as well in some of the session talks is that Apple is adding new ways for developers to get their applications noticed from various parts of the system in iOS 6.
The first of the areas is Mobile Safari’s Smart App Banners for websites that also have iOS applications. The basic idea shown in the Keynote is that if you visit Yelp! for example, Mobile Safari would display a banner alerting the user that this web app also has an App Store app and giving them a link to view it in the App Store. I’m generally not a fan of that type of thing, but considering it will be at the top of the page rather than some giant thing covering content that most sites do, I’m okay with it.
The second type of app promotion Apple is adding is transit app promotions to maps. There has been a lot of news about how the new Maps app in iOS 6 doesn’t have transit directions. Apple’s plan is to highlight great transit apps, rather than spend time adding them directly to the app. If you want more information on the transit stuff Andy Bolo has a great write-up.
There is a 3rd way Apple is promoting 3rd party apps is still under NDA, so I can’t talk about it here. If you have access to the WWDC 2012 videos, check out session 301 to find out what I’m talking about.