Gareth from Wedo gave a talk on analytics and reporting to the London Magento User Group. He discussed setting up dashboards to monitor key metrics in real-time using tools like Geckoboard and Google Analytics. Gareth emphasized the importance of understanding user behavior through analytics to improve performance and reaction time. He advised taming the large amount of Google Analytics data by focusing on weekly and monthly snapshots of metrics relevant to key decision points like mobile usage and conversion funnel.