Amber MacArthur explains how to not be annoying on Twitter over at the American Express Open Forum. Sage advice for you to develop a great reputation and following on Twitter. More Twitter tips.

If you’re new to Twitter, you might be wondering about the basics types of people on the services. I explained the six types over at the American Express Open Forum.

Over at the American Express Open Forum blog, I explain how to not look clueless on Twitter. The first five ways are: Don’t tell other people how to tweet. Don’t tell the world that you unfollowed someone. Don’t ask people why they unfollowed you. Don’t constantly tweet mundane updates and babble. Don’t use a small [...]

One of the dogmas of Twitter is that you shouldn't repeat tweets. I disagree based on a recent test I did where I repeated tweets and got terrific clickthroughs. If you use Twitter for marketing purposes, check out what I did by clicking here.

Over at the American Express Open blog I review a website called Twitterhawk. This site enables you to do automated, directed marketing on Twitter. It’s a very useful tool for anyone who wants to tap Twitter’s awesome marketing potential. Click here to read it. Please mark it “found useful” if you did.

Over at the American Express blog, I posted an article called "How to Hack Together a Twitter Client" because of my frustration with Twitter clients. If you're a power user of Twitter, check it out.

Over at the American Express Open forum, I just posted a blog entry called “How to Demo Twitter.” It really explains how to suck people into Twitter if they’re not already members. Check it out if you’ve ever needed help convince people to join Twitter. Please mark it “found useful” if you did.

In "Brands that Tweet" Paul Dunay provides a very interesting list of the big companies that are using Twitter. Worth the read if you're in a consumer-facing business considering the use of Twitter. There's no doubt in my mind that your organization should use Twitter. For more information about Twitter, see Twitter.alltop.