Ubisoft doesnt want you to see AC4 as a sea game because its not. They have taken the opportunity to let the player be more part of the story. Now, the player is the hero instead of just the character.
via N4G: pc news feed http://n4g.com/news/1185952/assassins-creed-iv-black-flag-character-world-gameplay-multiplayer-and-more-details
via N4G: pc news feed http://n4g.com/news/1185952/assassins-creed-iv-black-flag-character-world-gameplay-multiplayer-and-more-details