Access relevant content while browsing the web without leaving the page.

Do more with Facebook. Just hover over your friends' interests to get more information.

Find cool photos at Flickr while reading an Outlook email

Create stock comparisons in Excel via drag and drop.

Find videos, images and more while working inside PowerPoint.

Reference multiple sources simultaneously while creating a Word document.

Enliven an Adobe Reader document (PDF) with additional information from KallOut

Organize and share a collection of KallOuts in the dock