[Hi from Argentina!] It looks like they are using "vos" when they pretend to be your friend and "usted" when they pretend to be a serious business. I'm not surp

[Hi from Argentina!] It looks like they are using "vos" when they pretend to be your friend and "usted" when they pretend to be a serious business. I'm not surprised. Also, I'm not surprised of a natural convergence to a common dialect, somewhere in the middle of all the communities.