Zemanta

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Simple point & click enrichment of your blog posts (and emails). In real-time, while you type. We suggest tags, links, photos, and related articles. You save time and aspirin.

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Another blogging tool. Well it's a plug in. What it does is, while you compose your blog post (in blogger) - Zemanta suggests images / links / videos etc which are relevant to your post and can be included in your blog.