Let's brainstorm marketing strategies to reach the fast-growing group of over-50 people using social media

People who are over 50 are among the fastest-growing groups using social media.  Which means that one of our most important niche markets is online.  Sp. here's the challenge:

http://mashable.com/2010/08/28/social-media-stats-adults/

This article recently appeared in Mashable.com.  Let's say that I'm over 60, I'm active, witty, intelligent, adventurous and dealing with a variety of aches and pains (as Leonard Cohen says in one of his songs "I ache in places where I used to play").  Where you're most likely to meet me is on-line.  I'm an active (i.e. daily) participant in several social media platforms.  I'd consider myself an advanced beginner, maybe even intermediate level social media user (Facebook, Twitter, LinkedIn, YouTube--I know what a hashtag is, and I know how to use one, and I tweet from my cell phone).  Please tell me how you would market to me?