NILE, sometimes referred to as LINE, is a social application featured in AI: THE SOMNIUM FILES.
It is a messaging app that characters such as Iris Sagan and Ota Matsushita use to communicate via text messaging. It has various capabilities, such as setting personal profile images and an in-app shop to buy stickers that can be used in conversations.
- NILE is the in-universe version of LINE, a Japanese-centric application that allows text messaging through phones, while also capable of sending various digital stickers in the style of characters and other popular merchandisable products. The name NILE is in itself an anagram of LINE. A-set and Mato have referred to NILE as LINE on certain occasions.
- The name NILE is a reference to the Egyptian river the Nile, a river that flows from the south of modern Egypt to the north, arriving at the Mediterranean Sea. This ties heavily into the Egyptian mythos and themes of the game.