End-to-end encryption and privacy controls.
Message and call for free* around the world.
Group conversations made simple.
Say it with stickers, voice, GIFs and more.
Reach your customers from anywhere.
【おさらいC言語】プロローグ:ソフトウェアの基礎を身につけよう! https://www.team-aries.com/blog/osaraic-index/