A few days ago, I saw this video for a screen capture application. I'm pretty sure I followed a link from Hacker News, possibly to a Life Hacker article.
The video was very short, but demonstrated how the application could be used:
The application was basically a movable/resize-able view port with a button. When the button is pressed, the contents of the view port are saved to an image (basically a screen capture.) The interesting thing is what you could do after that point.
One of the specific examples from the video browsed to Google maps street view, grabbed a photo of an intersection, then scribbled notes about where to meet and where the restaurant was in colored "marker."
Another example shown was grabbing a house layout from from CAD tool, then scribbling notes on it.
The last part of the video showed several possible uses being scrolled through the application's view port.
Now, it seemed it was very easy to share these images with other people because there was some type of integration, either with their own site and/or common social websites/chat services.
The application was shown running on both Windows and Mac.
edit: I think there was an iPhone app, as well.
Anyone know what this application is? I tried searching Google, Hacker News, and Life Hacker already. It is not Jing.