The example of dreamfields pasta shows:
a. how companies can encourage permissions-based email by offering incentives and rewards
b. how niche products create community
c. the benefits of expanding email marketing even if it requires a greater initial outlay.

a. How companies can encourage permissions-based email by offering incentives and rewards

Explanation:

The example of Dreamfields Pasta shows: how companies can encourage permissions-based email by offering incentives and rewards. E-mail marketing is cheaper than direct mail and has a very important role on mobile marketing. Offering incentives and rewards in an email can encourage permissions-based emails.  

no , per capita income is not a true measure of the development because: -it only tells us about average income not how income is distributed among the people.it only give us an idea of the economic aspect.it is only at the qualitative basis.moreover, income is not only the way of development other factors are also as much as important as income.