- For retail categories, Yahoo! users are more likely to be influenced by email advertising than users of Google or MSN.
- For all categories or products, Google users are more likely to be influenced by email advertising than the group as a whole.
- Google users are also more likely than MSN users to be influenced by electronics, automobile and pharmaceutical email advertising.
- MSN users are more likely than Google users to be influenced by email advertising home improvement, groceries and apparel.
eINFO - a collection of articles and studies about email marketing.