Google+ gets some design and performance tweaks for better results on Android 4.0
There has been a dramatic growth in Google+ members, as users get the ability to share their contact circles
Google's +1 button has been updated to allow users to share webpages they like by pressing the button
Circle Hack is an unofficial Facebook application that imitates one of the key features of the new Google+
Google has denied reports that it is preparing a Facebook competitor called Circles