To salam1101 I'm afraid it is wrong. We talk with/to a person (it is the person you wishes to exchange words with a person) We talk about/on/of a topic.
So "people talk about (the topic relating to) one another" doesn't make sense in this example. "Gossip" carries the same idea as "talk".
Thanks for your useful posts. I'm talking to my friend. I talk ABOUT myself and he talks ABOUT himself on computer, so we talk ABOUT one another on computer. This was I meant. Is this acceptable? Cheers