For People Who Think E Mail Is Just Too Slow

E-MAIL IS BY FAR THE MOST popular Internet service, delivering typed messages almost anywhere in the world within minutes. But if you can't wait that long, a company called PersonalNet has a scheme that lets people converse by exchanging snippets of text almost instantly, in a "real-time" conversation. It's called r.u.there? and it's priced at $29 a year.

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