Bloggers gain clout with corporations

Bloggers gain clout with corporations
MINNEAPOLIS — Amanda Rettke started to blog when she was pregnant and hungry for a place to share the excitement and fear of parenthood.
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How do businesses / corporations decide on which training programs to use?

I am doing a project for management consulting firm as part of my interview and I have no idea how businesses / corporations decide on which training programs to use, and how they get to know of such programs. I know a lot of it is by referral, but I am interested in finding out [...]