* Hotpot: No Longer Recommended by Google
* Hotpot + Places Merger
* +1 Button's Potential Influence on New Places
Furthermore, by monitoring locations of profiles in conjunction with where they are leaving reviews, and monitoring who those people are connecting could prove to be a significant indicator on the legitimacy of the profile itself versus a spam profile. This could prove to be an important development in the debate as to how much author authority is being used as a ranking signal.