Kevin: An interesting chart based on Forrester Research that looks at online behaviours across age groups in the US. One thing that is very interesting is the relatively small group of "Collectors", those who use RSS and tag content to gather information. Even amongst the very active Gen Y group (22-26), the highest group of collectors is 18%.
Kevin: InsideFacebook.com looks at Facebook's international growth. (Data from April 2010) Monthly growth in Indonesia, the Philippines, Mexico, Argentina, and Malaysia of around 10%.