Is it just me, or is the "Request for Startups"[1] page in serious need of updating?

For example, are "Things Built on Twitter"[2] and "iPad Applications"[3] still a valid way to build a $XX billion company in today's world?

[1] http://ycombinator.com/rfs.html

[2] http://ycombinator.com/rfs3.html

[3] http://ycombinator.com/rfs6.html