365 Main, a datacenter on the edge of San Francisco's Financial District, is popular with Soma startups for its proximity and its state-of-the-art facilities. Or it used to be, anyway, until a power outage took down sites including Craigslist, Six Apart's TypePad and LiveJournal blogging sites, local listings site Yelp, and blog search engine Technorati. The cause? You won't believe it.

Kevin Burton, the snooping entrepreneur with a buggy website, has a new problem: Tailrank, his Web news aggregator, is supposed to deliver users the latest dope. But recently, it's been doing so a bit too literally, serving up drug-spam ads rather than the usual assortment of tech headlines. Tipster Micah Lerner writes: "If I funded Tailrank, I would be very upset right now. How will they get investors now?" Oh, I don't know, Micah: Will his investors really be that mad? Or just grateful for the leads on where to score?

Yahoo Mail has been screwed up or down altogether since this weekend, causing "anguished cries" from the Bay Area according to one tipster. Apparently local nerds are being unfairly denied their Craigslist responses. Widepsread and ongoing problems — dating back weeks or months, as noted in some reports — are blamed on Java conflicts, the buggy beta version of Yahoo Mail, and rotten server farms. Also solar flares and malicious pixies.