Ask any 25-year old engineer what Labor Day means to him or her, and you might get an answer like: it’s the surprise three-day weekend after a summer of vacationing. Or it’s the day everyone barbecues at Dolores Park. Or it’s the annual Tahoe trip where everyone gets to relive college. Or simply, it’s the day we get off because we all work so hard. And while founders and employees in startup land certainly work hard, wearing their 80-hour workweeks as a badge of honor, closing deals on conference calls in an air-conditioned WeWork is a far cry from the backbreaking working conditions of the 1880s, the era when Labor Day was born. For everyone here in Silicon Valley, we should not be celebrating this holiday triumphantly over beers and hot dogs, complacent in the belief that our gravest labor issues are behind us, but instead use this holiday as a moment to reflect on how much further we have to go in making our workplaces and companies more equitable, diverse, inclusive and ethicall