Media literacy is understanding how media works in terms of marketing and messaging. Gaining a clear understanding of target audience's for any content is important as well as answering why it is there and how it came to be.
Information literacy is understanding what information is fact vs. opinion or affirmation vs information. Understanding citations and sources will help in any intellectual pursuit especially on the internet.
Information technology is the storing and moving the data but by itself creates no value. IT systems will data accessible for others to use and comprehend.
