Reading the HP Way PDF, I was struck that several authors bothered to call out that HP used first/personal names to address fellow employees.
I can't imagine NOT doing so, but obviously ~40 years ago, that was uncommon enough to be noteworthy.
Can't fail to notice how successful a well-engineered company culture might be. The booklet gives pretty rational reasons for things like profit-sharing, stock sharing, company-sponsored medical insurance, management by objective and lack of micro-management, etc, all introduced by HP very early.