There is no one right way to use Twitter.
In General:
- give credit to good content - retweet or say "via @soandso"
- caveat: in general don't retweet people with private accounts unless you know they are OK with it
- think of your readers: do they speak txt by default? If not, then spell things out, use proper punctuation.
- if your idea needs more than one tweet, indicate that each tweet is part of a group, with something like (cont) or (1/3) so that people reading "down" know there's more to the story.
- it is OK to lurk and to not follow people back from a personal account
- if you make your account private, be prepared to not have people follow you
- don't get bent out of shape if people don't read everything you post.
- doing nothing but complaining / venting
- using Twitter just to promote your blog
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