>Google has a whitepaper explaining how this tool works and why it’s as good if not better than doing telephone surveys. I’m going to trust that Google’s stats

>Google has a whitepaper explaining how this tool works and why it’s as good if not better than doing telephone surveys. I’m going to trust that Google’s stats wizards know their stuff But... they have a clear bias in favor of telling you that it's better than telephone surveys. Clearly you should not trust a claim like that without looking at an independent analysis.