Running Ruby interpreter in subshell (OS X)

I'm running "GNU Emacs 21.1.30.3 (powerpc-apple-darwin5.2.2) of 2002-02-10 on
localhost". I'm pretty sure I got it as the precompiled binary from here:
<http://www.cse.cuhk.edu.hk/~akochoi/emacs/21.1/emacs-21.1-mac-bin.smi.bin>

When I start emacs, it connects to the network. What's it doing? Have 
I installed something I oughtn't have?

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