Kodak’s core competency through the 1980s and 1990s

What was Kodak’s core competency through the 1980s and 1990s? What was their reason for being/purpose as an organization?
If Kodak had made a big push into digital in the 1990s, how could they have mitigated the risk of cannibalizing its film sales by bringing this new technology to the market? In other words, what actions could they have taken to confidently move forward with the development of digital technology? Think about what we discussed in Week 1 to understand what Monitoring the Marketing Environment means.
What key signal arose from the launch of the iphone in 2007 that caused consumers to begin their transition to the smartphone, and ultimately caused the decline in digital camera sales? If Kodak was listening for the signals, what should they have done to remain a player in the industry?