I actually do find whatsapp pretty slow, which is why I convinced my friends to move away from it, the delay in sending and receiving messages is pretty noticeable if you compare it side by side with other similar messaging services.
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WhatsApp Messenger Comes Under Scrutiny Over Privacy Practices
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I actually do find whatsapp pretty slow, which is why I convinced my friends to move away from it, the delay in sending and receiving messages is pretty noticeable if you compare it side by side with other similar messaging services.
But it's got a very major drawback: It doesn't work on tablets, computers or iPod Touches.
I use WhatsApp daily and I do agree that switching SIMs does throw things off. Otherwise, it works quite well.
As for privacy, it's no different than other apps such as Tango, Viber, and etcetera.
As for privacy, it's no different than other apps such as Tango, Viber, and etcetera.
without the sms switching feature that make iMessage so popular...
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yep. another plus for iMessage...
Just because you don't see the need it doesn't mean it's not there.
For instance if my brother used this app and has my number in his contacts then I could start getting spammed with Texts. My number is unlisted for a reason and I want to keep it that way. Not everyones phones can except texts without paying $.75 per text.
It would be trivial for WhatsApp to simply calculate a hash of the phone numbers before transferring them to the server. Since identical phone numbers would lead to the same hash, they could still very easily match them between users's contact lists.
My phone number SHA1-hashed is:Call me if you canCode:5dfa43101598fec3ec8d155437453f4e2f408676
It boggles the mind, why this is not standard practice.
You do realize that CPU time is not free, right?
