pontifexa
The point is that you can, having finished high school, go to Norway and get the whole 8-9 years of bachelor->masters->phd education completely free of tuition fees (disregarding the nominal ~100/year enrolment fee).
I was answering urbangangster's very explicit pro-phone opinion with a different, real-life side of the same story.
Some companies are stupid enough to fire people the second they get sniff of them considering leaving.
You could get your colleague into serious trouble by reporting something that is neither your, nor your employer's business.
Frankly, the right answer depends a lot on the nature of the business, and the people involved.
Being in the tech business, I would never even consider hearing someone out on the phone, simply because >99% of the unsolicited phone calls we get are scams or completely inappropriate for what we do.
If you were to send me a personal email, OTOH, you'd be guaranteed a reply. And it'd be much more likely to be positive if I've had the chance to check out your offering at my own pace.