I have a project for math class, and I need to find a real life example of linear and exponential graph.Help?

[Michelle]

For example, a past project was the growth rate of users on Facebook and Myspace. My friend is doing the sales of milk and the early age puberty. It would be helpful if you had some ideas, especially some sites with increasing/decreasing rate over the years? Thank you!

[AplusClick]

Simple example :

[avip]

1. people coming from outside countries to USA for job.