Coca-Cola vending machines are found all over the world. The newest machines have an interactive screen that runs advertisements and allows users to obtain ring tones and free photos of themselves after they have bought a drink. Critics of these new vending machines are concerned that entertaining technology is being used to market sugary products. In terms of a SWOT analysis, what would this concern be an example of?

a.a threat

b.a weakness

c.a strength

d.an opportunity