This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Long tail.svg The Long Tail as in use by the book of Chris Anderson made this image as SVGreplacement for Image Long tail Created in Inkscape Own User Husky PD Use outside Projects This picture was used in Website Optimization Speed Search Engine Conversion Rate Secrets by Andrew King published by O'Reilly The Long Tail