A sparkline is a small chart that is stored in a single cell. It provides a visual representation of data. Sparklines can be used to show trends in a series of values, such as seasonal increases or decreases, economic cycles, or to highlight maximum and minimum values.
In March 2010 I delivered a webinar to the North West Institute of IT Trainers in which I took a look at the new features of Microsoft Office 2010. Below is a short segment of the webinar that covers Sparklines.