[estimator7292]

I pretty much only ever use 'you' when I need to explain something to the person behind the keyboard. Most of the time though I just don't use any pronouns and let the subject be implied.

I do use 'I' when the message is from me, the developer, and not the program as a separate entity.

Though sometimes I do find it cute for the program to refer to itself in the first person. Not often though