I like to tell my own experience why I recommend this app.
When I bought my Xperia Phone, I saw the whatsapp icon and did not bother to check what it does.
Because I had many other things to deal with. My friend is in Hyderabad and I am in Chennai. If I have to call him I need to check if he is free and then call him.
I SMS cost is too high, so I used to call him and check with him.
Later one day my friend came to Chennai to see me. I know he was using BB(Blackberry) but I had no clue he was using “Whatsapp” App. For the first time he checked my phone and saw Whatsapp is installed, hey! Dude! you got Whatsapp Installed! I said so what? what is it so exciting about it?
He did not explain any thing to me but just configured whatsapp in my phone and gave my phone to me. He told just to stay online.
Once he flew back to Hyderabad, I got an alert from whatsapp!
We started our conversation there, we have a feeling that he is next to me and we have conversation, we share photos, video and lot more..
So start your conversation with Whatsapp and stay connected with your friends! This also works with iPhone, so if your friend uses BB, Iphone android do not worry take your Android mobile and stay connected!