Google is attempting to self regulate analytics to head off government regulation.
Regulation is still highly likely once the rest of the world figures this stuff out – Illegal in Germany.
Not instantaneous data.
Traffic Sources >Keywords Gives you specific data on each keyword. If a key phrase isn't performing like you thought, time to evaluate the page or ranking.
Traffic Sources Pro Tip Segment keywords to find weird problems. If Safari bounces 2x FF, time to look at the site in Safari.
Traffic Sources Pro Tip You can segment by location, OS, and almost any other conceivable metric. Consider location for local business, and landing page for most others. Compare Pgs/visit and bounce rate.
Goals What are people sharing most? Our aim is better button placement. Doesn't meet our litmus test of people going somewhere. While we could setup goals to fire on /share/twitter or /share/aim it would increase the pageviews of the site.