If you have a lot of followers on Twitter Ad.ly's In-Stream Advertising service could help you generate income while you tweat.

Ad.ly enables Twitter publishers to make money from the content they produce on Twitter by sending one Tweet every day from advertisers that they approve. In order to ensure authenticity, every Ad.ly Tweet is explicitly approved by the Twitter publisher. The publishers are able to set the price they want advertisers to pay and can optionally donate part or all of their earnings to charity.

For advertisers, Ad.ly enables them to reach the highly sought after Twitter audience by connecting brands with influential people in the community.

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