Actually I do not have it so with annual reviews and 2013 We are already a few days history. In the case of the 5 most important Google+ Updates I am, however, be carried away to make an exception. Reason: These updates have left traces in fact and that's worth a closer look. Similar to other social networks Google+ has now reached a very high rate of innovation. This affects the handling of the world's second largest social network and course makes sure that the web community has always something to report. Granted, many updates have been partly also did not notice - or they were completely unnecessary, or only important for technical details that went unnoticed in the background. Such innovations must also be really exciting they are not. But what updates were for now "exciting"? I've researched a bit and am of the opinion that these were the 5 major updates in 2013 Google+ here ...