"In the latest Search Buzz video recap, several significant updates were highlighted, including the expansion of Google Question Hub, advancements in Bing Webmaster Tools with respect to crawl and index data, and improvements in Google My Business Performance Reports. Can you elaborate on each of these updates, providing insights into the key features, benefits, and potential impacts on online businesses and website owners? Additionally, are there any specific strategies or best practices recommended to leverage these updates effectively for optimizing online presence and performance?"