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Earlier this month, music, film and interactive folks flocked to Austin, Texas for the annual SXSW conference. One of the big mobile app announcements to come out of the event is a new social radio service called WahWah.

What is WahWah?
WahWah is a personalized radio service that makes listening to music more social and customized. You can listen with friends, fellow WahWah listeners around the globe or by yourself. The songs you hear can also relate to your location or activity you've selected.

How does WahWah work?
Get started by downloading the app and signing up using your Facebook account. Browse stations from trending and featured lists, your Facebook friends, stations created around you and activity. The app pulls from its library of 15 million songs to serve up the best music based on the context. Everyone who clicks on a radio station listens to the music at the same time.

How does WahWah differ from "Pandora" and similar music apps?
WahWah adds a layer of customization that isn't available on Pandora or Spotify by letting users select their location and activity. Also, because of its social nature, it's great for group activities like exercise or studying — even if you are physically separated from your group.

How much does WahWah cost?
WahWah is free at the Apple App Store.

Each year, U.S. households receive about 850 pieces of junk mail on average. That's definitely enough to make us all go postal. Luckily, the folks at Seattle-based PaperKarma have our backs. They created their free mobile platform for iOS, Android and Windows Phone with the mantra 'Kill Junk Mail, Save Trees' in mind. 

Using it is simple: all the mail recipient needs to do is take a photo of their junk mail. Poof! They won't see any more mail of its kind again. 

Here's how it works: the folks at PaperKarma created an extensive database of U.S. companies that send all kinds of mail. When a user uploads a photo of the offending junk mail, the service contacts the sender directly and, because of FTC rules, they must comply with the unsubscribe request. 

You may be wondering how the United States Postal Service can combat its financial troubles with apps like this on the market. Expect to see the institution focusing more strongly on shipping goods moving forward. For example, it is testing same-day delivery services for online purchases in certain markets. 

The future's looking so bright, your mailman (or lady) is gonna need shades! 

via Zagg.com

There are many popular eating competitions out there in this wacky world. Two top-of-mind examples are the nearly impossible "six saltines in under a minute" and Nathan's Famous Hot Dog Eating Contest. But have you ever seen an eating competition hosted by a brand on Facebook? Well, Jell-O went there. The Pudding Prix, which concludes today, challenged five Major League Eaters to submit their pudding scarf-down videos to live on the application.

This contest, though not the most appetizing, does have a funny vibe about it. The competitor's names are also humorous, "Deep-Fried Diva" being my personal favorite. Fans are allowed to watch the videos and root for their favorite competitive eater on the application. If one believes they can "out-pudding the pros," they may upload their own video to YouTube and share it on Jell-O's wall.

Risky campaigns allow me to look at a well-known brand differently and can even gain my respect. Honestly, I would have never visited or become a fan of Jell-O's Facebook page otherwise. Do you have what it takes to enter the "high-speed world of pudding"?

McLaren is taking a different approach in promoting their latest P1 Aero concept car. They are introducing it to consumers through an augmented reality mobile application (available for iPhone and Android devices) named McLaren P1. So what makes this a "printeractive" excecution? Well, consumers are driven to the British car maker's Facebook page in order to print a drawing of this car. When the user's mobile device or tablet is focused on this print out with the application open, a blood orange colored P1 appears on screen. Users are then able to get a 360 view of the car by moving their phone around. To boast this car's features, the app even allows users to increase the speed of the aero trails to see for themselves how this car is "the most aerodynamically efficient road car ever imagined." Perfectly timed, this application was launched simulatenously with this car's reveal at the Paris Motor Show.

Providing this augmented reality experience is a more personal and exciting way of introducing a car. Much like an auto show, this exciting "printeractive" experience is buzzworthy. Why take a picture of the car when you can get a full 360 view of it using this application? It also allows users to see the car's features in action, which does not always happen at a motor show. Try it for yourself, especially if you're looking to buy. 

**Image via  

Today on WSAV Tech Tuesday, we talk about how the 8mm iPhone app can help you unleash your inner Scorsese by applying a number of vintage filters which mimic the look and feel of old 8mm video cameras.