In a recent blog post Direct Marketing: Differences between Extraverts and Introverts, the author Carina, made reference made to research of Hans Jürgen Eysenck in 1967. Being unable to comment there or contact the author, the differentiation between direct marketing and introverts is something, I beg to differ with. … [Read more...] about Is Sales Follow-up a Stressor for Introvert Prospects?