Also you have to view code in multiple contexts and sticking to 80 characters per line allows it it be viewable in more places. For example, I like to look at t

Also you have to view code in multiple contexts and sticking to 80 characters per line allows it it be viewable in more places. For example, I like to look at the diffs in github and it is more flexible to read in a web browser if kept to 80 chars.