discrimination on iphone 3g

ciao is a discrimination to preclude to iphone 3g to use again whatsapp!!! this morning whatsapp doesn't work anymore because apple dont want to support 4.3 ios for ihpone 3g... i?m out!!! and Angry!!! I'have paid a device that now it's obsolate... why!!! to sell a new device???

thank you apple ..I'm the best of your fun but now what is going on????