What is what'sapp . introduction , latest technology, advantage , dis advantage of whatsapp. I hope you like it. Enjoy it . Have a nice day.

2. INTRODUCTION
• WhatsApp Messenger is a cross-platform instant messaging
application.
•It is especially popular with end users who do not have
unlimited text messaging. It also provides a group chat and
location sharing options.
•It was founded in 2009 by Brian Acton and Jan Koum.
•It uses a customized version of the open standard Extensible
Messaging and Presence Protocol (XMPP).

3. FACTS ABOUT WHATSAPP
1. Facebook bought WhatsApp for $19 billion.
2. It has a serious Security Issues.
3. WhatsApp has the most number of active users per
engineer.
4. It has spent zero cash on marketing.

5.  WhatsApp was officially made available for PCs through a web
client, under the name WhatsApp Web, in late January 2015
through an announcement made by Koum on his Facebook page:
"Our web client is simply an extension of your phone: the web
browser mirrors conversations and messages from your mobile
device—this means all of your messages still live on your phone".
 As of January 21, 2015, the desktop version was only available to
Android, BlackBerry and Windows Phone users. Later on, it also
added support for iOS, Nokia Series 40, and Nokia S60 (Symbian).
 WhatsAppTime has been developed, which is a standard Windows
32 application for PCs and supports notifications through the
Windows notification area.
WHATSAPP WEB

6. Advantages of WhatsApp
1.We can easily send free messages to any part
of the world without any charges.
2. It do not have any advertisements on display
screen.
3. The tools provided by WhatsApp are easy to
use.
4. We can share location, photos, status with
our friends.

7. Disadvantages of WhatsApp
1. We can chat to friends that only
have smart phones supporting this
application.
2. We should have access to internet to
send and receive messages for free.