I recently filed a reconsideration request and got a response within a week. It was a standard form letter and appeared only in WMT (not in an email to me). In that particular case my reconsideration request was not approved. After I filed another request a few days later, it took about 3 weeks to receive the next response.

How to Optimize PDF Documents for Search
10/18/2010 PDF documents are often neglected in on-site SEO efforts. I consider that a mistake, as there is actually a large amount of potential in optimizing PDFs. The documents often contain good, unique, high-quality content that can be useful for search visitors. We know that search engines have gotten pretty good at crawling and indexing PDFs, and I personally see them in search results often. So it'...