The best blogs and feeds are those that contain unique, fresh, compelling,
Not surprisingly, ideas for blog posts or RSS feed items originate or are influenced by other web content. The following are venues for finding your online muse:
Monitor Google News for keywords related to your industry. If you find a story you disagree with or wholeheartedly agree with write about it.
Most people assume that there is information on every subject on the Internet, but that is not necessarily the case. If you stumble on an area where there is minimal content, consider it an opportunity.
Monitor Authority Blogs
Watch authority blogs for developing industry news. Comment on any breaking news or editorials that you either agree or disagree with.
If you are an expert? Consider developing an advice column. Let readers send you questions and post the questions and answers in your blog or RSS feed. This allows your readers to direct your content.
Many bloggers and publishers discover topic ideas from conversations. Create dialogue with both individuals familiar and unfamiliar with your blog topic, the questions that come up could be good fodder for posts.
Forums/ Newsgroups / Usenet
Forums are great places to find topic ideas. Read topic specific forum posts then editorialize and summarize the posts.
Look Outside the Box
Do not constrain your thinking to parameters found online. The best RSS feeds and blogs are targeted, clear, consistent, and unique.