WhatsApp is only is the first place of my surrounding peoples using it mostly.
Concept; it having a good concept of sharing the files and messages for a secret person only so it was very protect from others. we can send photos, messages, . videos., to any phone number secretly. it became a No.1 social media.
Layout and Design: it also having a good design because in facebook, twitter, we can not be secret uploads but in whats app we can send videos., photos, secretly to any person so the design was very good.
Features/Functions: it providing a great concept to near the public it help the people to share their personal. Functions was only a few data Mb charges so it was very easy to operate.
Useful: it was very useful to because they providing minimum fees for our personal . So it was very easy to use and it was very useful to all people / thanks for reading.