When I was doing my 10 Twitter Strategies for Australian Brands post, I found a cracker of brand and promotion campaign on Twitter called iSpyLevis. The premise is very simple: the person running the Twitter account goes out to an inner city location every day, posting pictures of where they are. When a Twitter follower recognises her/him, they get free jeans. About 8 pairs of jeans are given away every day, in different styles, men’s and women’s. I notice that its been building followers steadily, and now the Sydney tweeters are noticing and interacting