EffectiveUI lead user experience architect John McRee's presentation from South by Southwest Interactive 2011:
"It’s a cultural phenomenon that most of us didn’t see coming: baby boomers are taking over Facebook, while the millenials are abandoning it like crazy because it is so last year. After all, what 20-something wants his mom to see his status update about last night’s party? This example signifies a trend in technology overall: the assumed late adopters are now joining early adopters as technology becomes increasingly easy and fun to use. Devices such as the Wii and the iPad have overwhelmingly been adopted by the older and less technologically savvy crowd. The trend has significant design implications. As we’re designing for emergent devices, we need to be very aware that we’re definitely not designing for ourselves. User research will become even more critical, with particular attention paid to the more mature crowd as they have different needs from other generations..."