Most of the really good and informative papers and books have no time limit. I think the papers and resources that made the biggest impact on me would have been

Most of the really good and informative papers and books have no time limit. I think the papers and resources that made the biggest impact on me would have been easily dismissed by junior-me because of being before 2010 but fortunately, less-junior-me read them anyway and they changed how I work in many ways for the better.