I don't think it's likely to have anything to do with 'some people' or any kinds of tasks you perform. It's probably more to do with word shapes [1], which are

I don't think it's likely to have anything to do with 'some people' or any kinds of tasks you perform. It's probably more to do with word shapes [1], which are probably at least part of how you read. [1] http://en.wikipedia.org/wiki/Bouma http://en.wikipedia.org/wiki/Bouma