author: Swaraj Dash
The image gives the main clue --
[answer needed] -- which is intended to remind people of
, i.e., Wikipedia.
The main image is a depiction of the famous Wikipedia fact that one can reach the page for Philosophy starting from almost any other page by only clicking the first link on each page. The title "Introduction to Philosophy" indicates that one must start from the page for "Introduction" and find their way to "Philosophy". The solution was the first letter from every page visited along the way: iimahmpagmcwlskacqp.
This solution was correct as of 10/06/2015, and shouldn't change much unless there have been major changes in the definitions of topics such as "Music", "Physics", "Art", and so on!