Yes! Google does think your tags and diggs matter!
We all know that Google ranks inbound links as a powerful "vote" for a website. We also accept, generally speaking, that the more quality inbound links a site has, then the higher its page rank, keyword rankings and resulting traffic. With the rise of social media, we are also learning that Google values the diggs, tags or votes a site receives on social media sites. Aside from just the inbound links, traffic spikes and "netizen" awareness that social media sites can generate, they also have a direct impact on Google rankings. Read more