Line began in summer 2011 as a communication system for NHN Japan employees.
It then saw explosive growth when released to the public in June of that year.
By 18 January 2013, Line had been downloaded 100 million times worldwide.
Line is an application that works on multiple platforms and has access via multiple personal computers (Windows or mac OS).
Users can purchase stickers as gifts, with many stickers available as free downloads, depending on country availability.
Purchased stickers are attached to an account and can be used on other platforms. Line's message stickers feature original characters as well as a number of popular manga, anime and gaming characters, movie tie-ins, and characters from Disney properties such as Pixar.
User can see a real-time confirmation when messages are sent and received or use a hidden chat feature, which can hide and delete a chat history after a time set by the user.
Chats also provide bulletin boards on which you can post, like, and comment.
This application also has timeline and homepage features that allow users to post pictures, text and stickers on their homepages.
Users can also change their Line theme to the theme Line provides in the theme shop for free or users can buy other famous cartoon characters they like.
Line features a Sticker Shop where users are able to purchase virtual stickers depicting original and well-known characters.
The stickers are used during chat sessions between users and act as large sized emoji.