( Yahoo's acquisition spree all about tackling mobile) Kakao Talk sparked the Asian mobile messaging revolution when it launched in 2010, but it has been overtaken by Line which this month crossed the 200 million user threshold, just two years after its inception – an accomplishment that took Facebook and Twitter more than five years.
Like their western rivals, Kakao Talk, Line and We Chat allow users to send free messages through mobile internet connections but their playful, teen-friendly style has set them apart, driving them to the top of many app download charts.
"When you use Asian mobile chat apps such as Kakao Talk or Line, you have a certain sense of joy and fun communicating with your loved ones, whereas western apps focus more on pure functionality," says Le Hong Minh, chairman of VNG Corporation, Vietnam's leading internet company.
This notifies everyone in the group and each person can choose to join with a single tap.
Snapchat-style selfie masks can be donned during conversations, while users listening to group chats can talk over voice while sending text, stickers, GIFs, and emojis.
Group Video Chat is super easy to use (and, of course, free over wifi! Once more than 6 people are on the call, just the dominant speaker is shown to all participants.