This is begining of the bankruptcy proceedings after buy Doubleclick... it was to expensive even for Google Giant.
You thought right. Google bought DoubleClick with the intentions to convert all AdSense/Words users to it.
As long as the ads keep appearing I don't care if I can't check my stats. "Adsense" was not down - ads were still being served.
Actually it is down, so down that even the google logo is missing. However it seems the outage is only affecting one or some of the servers.
sure it's down for maintenance ,i think it'll be down for the next 3 hours cause they said that in message at adword yesterday