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Unrelated to your comment but relevant: I had my friend's number saved on my phone, but we were not in touch for over an year; one day I installed WhatsApp and

Unrelated to your comment but relevant: I had my friend's number saved on my phone, but we were not in touch for over an year; one day I installed WhatsApp and saw him there - I pinged him; the response came, "Who the fk are you, you b*d! There is no <my friend's name> here. Go to hell!!". Turns out my friend had changed the number, so the cell number was released and assigned to another user after few months but WhatsApp on my phone thought it was my friend on the other side. That was when I knew WhatsApp is not revolutionary, it's just lazy, convenient and famous.

SifJar 13y ago
So in other words, you got the exact same response as if you had sent a regular SMS message; I fail to see how that is a problem. Yes, WhatsApp uses your regular phone contacts; much simpler than having to exchange usernames with everyone you want to message on WhatsApp. Is it revolutionary? No, it's a simple, cheap, cross-platform messaging app. It does what it's meant to do, and does it pretty well.
- amjd 13y ago
  Exactly. I don't see how that shows a shortcoming on WhatsApp's part.
  - aylons 13y ago
    It is because using a location and operator dependant phone number as the main gateway to reach someone is prone to errors and no longer necessary. Whatsapp using it just show how bad its architecture is.