Have a look at the Vision Spring web site (http://visionspring.org) and read the assigned article,"Fortune at the Bottom of the Pyramid":http://www.cs.berkeley.edu/~brewer/ict4b/Fortune-BoP.pdforhttps://www.strategy-business.com/article/11518?gko=9b3b4.

The article "Fortune at the Bottom of the Pyramid" discusses a number of "Tier 4 Pioneers" (Hidustan Lever's "Wheel", Graman Bank's microlending program, Arvin Mill's "Ruf & Tuf Jeans", etc.) that have successfully served Tier 4 markets. Find an interesting example of a company that serves a Tier 4 Market, either locally or elsewhere, describe the product and how it takes advantage of the Tier 4 market opportunity described in the article.