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This dirt-cheap method of promotion, in which online customers pass company information along to their friends, is experiencing something of a boomlet again. And in an era when dot-coms are scrambling for cash, many say it deserves a second look.

What's the difference between pass and pass along? Can I remove along in the above?
Thanks.
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What's the difference between pass and pass along? Can I remove along in the above?
IMO yes
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To my ear, along brings in the image of a chain of passing.
If I pass something to you, you and I are the only ones involved. I give; you receive.

If I pass something along to you, it gives the impression that I received it from someone else, who received it from someone else, who received it from someone else, etc., and that you will give it to someone else, who will give it to someone else, etc.
CJ