Google unveils '+1' button to rival Facebook 'Like'

Search giant launches social button that allows users to recommend and share search results, but market watcher says latest social media attempt unlikely to succeed. [read more]

I do agree with those people. Although it is good initiative, but there are few things need to be clarified and further improved before it become a successful project. Google need to ensure that the implementation will not violating privacy and data confidentiality of their users.