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Tonight, a charity auction and spontaneous drinking vie for your attention. And, for some reason, everything tonight starts at 6 p.m. To overbook your evening, check out our Valleywag Calendar.

  • Web analysts unite! Web Analytics Wednesday brings together all web analysts to analyze web things. Most important: The first round is free! 6-8 p.m. at Zebulon on Natoma St. [Web Analytics Demystified]
  • Yahoo's Brickhouse division hosts another Wii Wednesdays 500 3rd St. Boxing starts at 6 p.m. [Upcoming]
  • Spontaneous Drinking Night in San Francisco. 6 p.m. at the House of Shields. [Facebook]
  • Illuminating Paths holds a fundraiser for low-income students in San Francisco with a benefit at Slide on Mason Street. $10 at the door gives you that do-gooder glow, and a shot at winning an auction to go rock climbing with Revision3's vlog-hot David Prager. Starts at 6 p.m. [Illuminating Paths]
  • Going to the SNAP Summit on Friday? Not bought your ticket yet? Today is the last day to get a 15 percent discount on your entry fee. [Eventbrite]
  • Psst Go Sox!

Got a to-do that's a must-do? Send it to calendar@valleywag.com. Check out more events on our Google Calendar: