LINE is the social networking application made by LINE corporation owned by Z holdings. It is the popular application in Japan, Taiwan and Thailand. In Thailand, there are many users including the companies using them to send personal messages, cute stickers, pictures, files etc.
I register an LINE account on my phone and my e-mail address because I have to contact with my family, my colleagues and my advisors. I use first on many phones. I have a comment on using LINE as topics.