When you have an industry that spans 50 years and incorporates as many companies as the video game industry has, you're going to run into some tough decisions here or there, with poor outcomes. Some of them are fairly innocuous, like when a lousy game tarnishes the reputation of an otherwise great company. Other times, you have some decisions that seemed like a fairly good idea at the time, but end up sending a company spiraling into bankruptcy.
There are some decisions, however, that have such monumentally bad consequences that the face of the gaming industry is completely changed. Here are five that didn't seem bad at first, but ended up completely changing the industry.