Once a year, a few days before that year's messages are set to go out, the application running on Codefix servers will send a message to Yahoo!

FORBES: E-Mail Time Capsule

And, with the keen understanding that husbands, boyfriends, sons and fathers are part of the breast cancer demographic equation, the NFL has also committed to pink as a branding application, reaching millions of viewers with its message every weekend.

FORBES: Cause Marketing

Users can protect themselves by carefully reading any message that asks them to download an application, or safer still, setting their phone to only allow downloads via the Android Marketplace.

FORBES: Pay-Per-Text Malware Hits Android Phones

Then a light bulb went off: What if he came up with an application that would allow him to video chat and instant message with people who might know the answer?

FORBES: Can Schools Teach Entrepreneurship?

Users download the free application off the Web, but instead of typing a text message, they use a headset, telephone or microphone and speakers to make a high-quality, two-way voice call to anyone else running the application.

FORBES: Skype Proves Anyone Can Sell Phone Service

We also saw a brief demo of the prototype application, and sure enough, it showed us when an LED block was placed backwards with an error message -- you can see it in action in the video below.

ENGADGET