Cross Promotion and Cross Pollution Amongst Social Platforms

I’m on Twitter. I’m on Facebook. I blog (in a few places). I post photos on Flickr.

I’m not alone.

Many folks “exist” in multiple social networks and online locations. How much cross-promotion and linking is appropriate? Is it relevant to post a note on Twitter every time you make a blog post? Do your blog readers want to read a daily recap of everything that you Twittered that day? Do your Facebook friends want a wall notification each time you post a photo on Flickr?

What about bookmarks? Do your friends want you to Tweet or blog about what you saved on del.icio.us or ma.gnolia that day?

How much cross-promotion is appropriate before it becomes cross-pollution?

Personally, I try not to do much cross-posting. I’ll occasionally link to a Flickr photo from a Twitter tweet, but that’s about it. I figure folks can subscribe to what they want, and there’s no sense in spamming them with duplication.