I may just be a lowly "IT Guy" and blogger, but I've never been prouder to be a small part of this tech world:
We believe in an inclusive country that fosters opportunity, creativity and a level playing field. Donald Trump does not. He campaigns on anger, bigotry, fear of new ideas and new people, and a fundamental belief that America is weak and in decline. Donald Trump proposes “shutting down” parts of the Internet as a security strategy — demonstrating both poor judgment and ignorance about how technology works.
The whole letter (linked at the top of this post) is worth reading.