This week’s post in the weekly “Friday Finds” series highlights: Google Author Rank, Digg’s RSS Reader, Hashtags, Pinterest and Matt Cutts’ answer to the question of whether the use of stock vs. original photography affects Google Page Rank. Do you know the difference between Author Rank and Authorship? Do you have a good substitution for Google Reader? Would you like a resource for finding #hashtags? Should you be more active on Pinterest? Here are some great resources and please feel free to share your thoughts, reactions and ideas in the comment section.