examining Porter's Five Forces as a tool for looking at the pressures on profits. Specifically, you will be looking at defining Porter's Five Forces and applying this tool to the market structures and pressures on profits of a chosen group of firms.

• Group 2: the wireless telecommunications industry (e.g., Verizon, AT&T, T-Mobile).
• If you want to dig deeper into how one of the firms views the challenges it faces, you might want to look at the firm's investor page.