You can if you want to. Nothing I tweet is important enough to bother. If it doesn't come back I just won't post any more.

Just like millions of other people.

I am not sure how long the API will last. They have already said that they will be limiting the usage of the free API to "good bots"

Ooo good find.

Sounds like the clock for rate-limiting is improperly centralized, in my speculation.