What Is the Difference Between a Press Kit and a Media

What is the difference between a press kit and a media kit?

A) Press kits are distributed to print media representatives.
B) Media kits are created in electronic rather than paper formats.
C) Press kits explain how advertisers should submit press releases.
D) Media kits provide information to advertisers about audience demographics.
E) Press kits are sent to marketing and public relations firms to promote new products.