Visit the corporate websites for the following firms. How would you characterize the corporate strategies of these

Question:

Visit the corporate websites for the following firms. How would you characterize the corporate strategies of these companies? Are they following a strategy of limited diversification, related diversification, or unrelated diversification?
a. Exxon-Mobil
b. Google
c. General Motors
d. Jet Blue
e. Citigroup
f. Electronic Arts
g. IBM
h. Dell
i. Berkshire Hathaway