A hackathon in action
  1. Buena Vista Social Club on your doorstep: Tito plays authentic El Son, and there are Cuban Salsa dance lessons before the performance. At Ashkenaz, doors open at 8 p.m. on Friday.
  2. Been training for a hackathon? Y Combinator expects 100 people this weekend in Soda Hall, for 18 hours of “hacking craziness”, from 6 p.m. on Friday to midnight on Saturday. You can join the coders, or just watch minds at work.
  3. Yes we can: Fourth annual Social Justice Symposium at the First Presbyterian Church includes speakers, workshops and a silent auction. From 9 a.m. on Saturday.
  4. Art and music, remembrance and healing: PFA theater shows moving documentary of Chile’s Villa Grimaldi interrogation center, and hosts concert by Quijeremá quintet. 5:30 p.m. on Sunday.

Hackathon photo by Batigolix from Flickr

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Lance Knobel (Berkeleyside co-founder) has been a journalist for nearly 40 years. Much of his career was in business journalism. He was editor-in-chief of both Management Today, the leading business magazine...