'Congratulations!' You have chosen to enter the exciting field of app marketing. But, gee, Skeeter, don't be a chump. Check first with the FTC on its principles for privacy and consumer protection.

Integrating brand messages into the content well is a fine idea, but only if the advertorial really is up to the task of pulling attention from cute kittens, dumbass stunts and celeb wardrobe malfunctions.

An app marketing platform claims that in a recent six-week survey of millions of ad clicks, it labeled a shocking share "useless" because they were fraudulent or unintended.

The cost of acquiring a loyal app user has been creeping up over the last three months. Still, the mantra around mobile investment lately has been "cheap." Publishers may not want to support that sentiment for very long.

About a third of mobile apps measured by location analytics firm Placed actually were being used while the owner was in motion. Get used to it. The meaning of "context" is not going to get any simpler.

From language to tone to responses to your body language, the Apple Genius Bar interaction with customers is supposed to be carefully managed. Somewhere in the ether, Steve is smiling at the sheer control freakery of it all.

"WSJ" and Tout are giving over 2000 reporters the ability to capture and post video clips from the field. WorldStream is offering a video feed of edited but relatively raw video from the field sometimes minutes after it occurs.

Leading economic indicators now get an app of their own. For wonks and marketers, Sapient and the Census Bureau have partnered on an app that offers an up-to-the-minute snapshot of critical market data.

While still not a lot of fun, Facebook for smartphones and tablets became more tolerable this week. But they remind us that the new bar of design on touchscreens should not be "ease" but '"joy of use."

Hipstamatic has gotten a deserved cult following for its deeper brand of nostalgic photo editing on iOS. But the app is also exploring a great model for integrating brands into what users already like to do.