Thank Google — something is free this holiday season. The Mountain View, California-based tech giant (NASDAQ: GOOG) announced Thanksgiving week that it will begin offering small-business owners complimentary marketing materials to help promote their establishments. The so-called #SmallThanks initiative allows Google-listed businesses to create posters, social media images, window clings, table tents, and stickers based on the "local love" they receive from customer reviews on the web. "A…