After the panda and penguin updates fresh content become the need of a website, if you want to make your site popular and increase your visitors then update your content with quality and fresh content daily. If your visitors increase your indexing rate would be fast and google index your site better, if would also help you to increase pr of your site.
Google Panda Update is to spam or penalize the website with low quality content..So dont copy content from other websites it might harm your website..Publish your website with fresh and niche content..
I would say fresh content is very important today, you must use only fresh content if you are thinking of SEO or search engine optimization otherwise, it may not work at all.
There are other techniques helps to get ranked in top search ranking . But True Content is king in seo its not odd if Say Content is Queen Also . Content Boost your Way of Getting Ranked with Search results . As Per Search engines Perspectives Content Should Be Unique . Search engine Are Found of Unique Content . So Focussing On Content In SEO is most Result Generating and Also Relevant Work done by you .
Fresh content is vital for SEO signals. It’s still a lot of vital to own valuable, descriptive, informative, and helpful content rather than simply creating updates for the sake of change. Google understands that users like quality over freshness. Then again, freshness continues to be vital, and quality content that’s contemporary is that the best-case update situation.