SEO – Changes Goggle makes to its algorithms
Do not get obsessed by the almost daily changes to the Google algorithm. Study the Google Webmaster Guidelines and stick to Googles rules. Do not over optimize and you should be OK. Do not get obsessed about keeping up to date in the SEO world. If you really want to subscribe to the Google channels on YouTube and keep an eye on nay important tips or announcements. Remember that major changes to the Google algorithm are designed to catch spammers and people trying to game the system. Play by the rules and you are unlikely to be penalized.