[quote=flu]
I think it’s a combination of a few things.
1) Email/blogs/message boards/textin are not viewed as “formal writing”. As such, they don’t get the same sort of scrutiny/review as normal documents.
2) Unfortunately, because of the things in #1 have become so prevalent, we’ve become use to these shortcut means of communication for which speed takes precedence over gramatical accuracy. As a result, more traditional formal writing suffers from all these habits.
3) Third, formal documents no longer undergo scrutiny as much as before, because it is assumed there are technology tools to automatically correct, such as a spell checker. Unfortunately, spell checkers/grammar checkers can’t always detect “theire” as “their” or “there” and ends up making educated guesses sometimes. When you see your MS Word document without any more red underlines, you sort of assume it’s “ok”.[/quote]