Affiliate since: 09/12/2013, Power Rank: 99999999 | Read Susan's 9 other Ask SC answers

There is a wealth of information in the marketing section of the Affiliate Center. You can pick your topics there.
Create a folder where you can save these newsletters to keep record of what you have already told them and add a date so that you can see which affiliates still need the information in the older letters.
Keep it short and interesting rather add links than lengthy explanations. Try to make them curious to have a look at the links.
Inform them of any competitions or rewards you have to offer.
All the best
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There is a wealth of information in the marketing section of the Affiliate Center. You can pick your topics there.
Create a folder where you can save these newsletters to keep record of what you have already told them and add a date so that you can see which affiliates still need the information in the older letters.
Keep it short and interesting rather add links than lengthy explanations. Try to make them curious to have a look at the links.
Inform them of any competitions or rewards
...more