The document discusses trends in internet and mobile usage. It notes that global mobile 3G subscriber growth was 35% in 2011, with 936 million subscribers representing 17% of mobile users. Smartphone shipments surpassed feature phones in Western Europe and the US. While smartphone adoption has ramped quickly, usage still has significant room for growth globally. Mobile traffic as a percentage of total traffic on sites like Pandora, Twitter and Facebook has also increased dramatically in recent years.