a little laugh

Three men, a German, a Japanese and a Mexican were sitting naked in a
sauna.
Suddenly there was a beeping sound. The German pressed his forearm and the
beep stopped. The others looked at him questioningly. "That was my pager,"
he said, "I have a micro chip under the skin of my arm."
A few minutes later a phone rang. The Japanese fellow lifted his palm to
his ear. When he finished he explained, "That was my mobile phone. I have a
micro chip in my hand."
The Mexican felt decidedly low tech, but not to be outdone he decided he
had to do something just as impressive. He stepped out of the sauna and went to the bathroom. he returned with a piece of toilet paper hanging from his butt. The others raised their eyebrows and stared at him.
The Mexican finally said, "Ay Dios Mio, will you look at that? I'm getting a fax