I only think it gets updated when the interviewee writes to them and asks for an updated. I have heard that mentioned in a few podcasts from them.

I found that starting blogging has been a big source for freelance gigs, just did a few quick posts (see www.stephenson.dk), got them proofread by Wordy.com and shared on my own personal social accounts. I get inbounds every time I post a new blog post.