Once again we round up six of the best infographics we’ve seen this week.

The topics include big data, Google AdWords keywords, the top 250 retailers on social media, and the current tech boom (or is it a bubble?).

The retailer’s guide to big data (Monetate)

The most expensive Google AdWords keywords (Hallam)

Top 250 retailers on social media Q3 2012 update (Campalyst)

Consumers vs. Marketers on social media (Pitney Bowes Software)

Tech boom or bubble (Kissmetrics)

Blippar’s Shortlist stats (Blippar)