1% of the sum of all Human knowledge available to your unconscious mind instantly, including philosophy, science, math, sports, music, DNA, which chemicals cause which emotions, politics, money, paradoxes, consciousness, or whatever you want to communicate with the AI about. It always starts at "Intelligence Computer Internet" but you can find any of the other subjects from there.
Its open-source (GNU GPL 3) if you want it for your own website or to modify. --Ben F Rayfield, the only person who can grant multilicenses other than GNU GPL 3.
It will get new words from the internet as you move the mouse, but if you stop moving the mouse, it uses only what it already downloaded.
When you find the words you want, click them and they are added to the menu on the left, and later click those to load those Wikipedia pages.