If you intend to work on a team larger than, say, 4 people, writing english (or your team's common language that isn't english) is supremely important. I spend

If you intend to work on a team larger than, say, 4 people, writing english (or your team's common language that isn't english) is supremely important. I spend a lot of time reading the writing of other programmers. I've read 4 page documents that are a slog and 20 page documents that are a joy. Your writing, in a lot of cases, will be people's first impression of you, NOT your code.