Simon Oxley, an iStockphoto power user, was launched to fame after his drawings were bought by Twitter. Now, he designs logos for startups all over the world. Simon Oxley was drinking beer and ...

It's "Beer:30," and Tom Preston-Werner is standing at a lectern in the vast San Francisco loft where GitHub makes its home. Before him, arrayed on a mashed-up assortment of chairs and couches or ...