[source]
( https://www.google.com/search?q=whatsapp&prmd=vni&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjox-LTi-zaAhUbSY8KHRGEBKAQ_AUIEygD&biw=360&bih=516#imgdii=k0c7yioAOYO6DM:&imgrc=e6QYzYmEBKXvSM:)
A messenger popular for smartphones. This messenger can be used on different operating system smartphones. Not only the chat, the messaging can also be used to share photos, video and audio media messages. The messenger can be used on Apple's iOS, Blackberry, Android, Symbian and Windows phones. WhatsApp automatically synchronizes the number from the phone number list on the user's phone. As such, it is not necessary to add ID separately. Personal updates on free smart messenger on smartphones, users from which to chat, create groups, create groups, create separate icons for the group. The WhatsApp Authority said the video call facility will be available this year and the number of users will reach 100 billion. In 2009, Yahoo's former employee Brian Acton and Jan Koum created WhatsApp. At present, there are 55 employees in this organization. While recently purchasing WhatsApp, Facebook co-founder Mark Zuckerberg said that every day 10 million people are downloading WhatsApp and this app has 45 million users.
[source]
( https://www.google.com/search?q=whatsapp&prmd=vni&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjox-LTi-zaAhUbSY8KHRGEBKAQ_AUIEygD&biw=360&bih=516#imgrc=0Q-XkCwuHsp1eM:)
WhatsApp
WhatsApp logo.svg
Developer
WhatsApp Inc. (owned by Facebook)
Initial version
2009
Permanent release
2.12.330 / 24th October, 2015
Written
Erlang [1]
Operating system
IOS
Android
BlackBerry OS
BlackBerry 10
Windows phone
Nokia S40
Symbian
Available
Multilingual
Type
Instant messaging
License
Proprietary
Website
www.whatsapp.com
WhatsApp Inc.
Installed
2009
Headquarters
Mountain View, California, United States
Founder
Jan Koum
Brian Acton
CEO
Jan kum
Owner
Facebook
Worker
55
Regulatory Institution
Facebook
Website
www.whatsapp.com
Written in that language
Erlang [1]
Registration
Must be
Users
700 million active users are from the average of December 2015
Available languages
Multilingual
Current status
Active
[source]
(https://www.google.com/search?q=whatsapp&prmd=vni&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjox-LTi-zaAhUbSY8KHRGEBKAQ_AUIEygD&biw=360&bih=516#imgrc=O0G5BNa4KY18cM:) Facebook claimed that the number of messages being sent using WhatsApp has reached around the world in the telecoms. Whatsapp Authority wrote in the description of their Android application, WhatsApp can be used at absolutely no cost in the first year, but the next year will be charged @ 0.99 US dollars. What is the advantage of using this application? WhatsApp commentary, there is no hidden charge in it. When the user and his friends download it on their mobile phone, then they can chat as often as they want. Taking millions of messages a day will not cost one penny. However, there must be internet connection to use WhatsApp. It can be used in all networks of 3G / EDGE or Wi-Fi. It has the advantage of using multimedia for video, pictures, voice notes etc. It can also be group chat with some. Is there any international charge? WhatsApp usage is not required to use email, as it does not require cash, and chat with friends from other countries does not cost. The biggest advantage of this is that PINs or usernames are not required. Chat can be done using a mobile number like SMS. It is always open because there is no log in or log out there. People who are in the phone list and who use WhatsApp, do not have to make new friends. What is the business model of WhatsApp and how does WhatsApp earn? Technology analysts have different ideas about the business model of WhatsApp. Its original income is the subscription fee. But many people think that WhatsApp can earn from database management. But Chief Executive of WhatsApp denied the sale of customer information or to give information to customers to create a service for other organizations. He did not plan on making money from advertisements. However, analysts say that the founders of WhatsApp have given the labor to create the service, which are now being sold to Facebook for $ 911 billion US dollars. The company was invested 100-150 billion dollars behind. [2]
[source]
(https://www.google.com/search?q=whatsapp&prmd=vni&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjox-LTi-zaAhUbSY8KHRGEBKAQ_AUIEygD&biw=360&bih=516#imgrc=kipcfEVgQU7LeM:)
As of January 2015, WhatsApp popular users worldwide as popular messenger apps have more than 700 million users, [3] only about 70 million in India. [4]