I think the arguments in the article made as much sense as you'd expect. Nobody has yet produced anything that really counters Google. So the best you can do is

I think the arguments in the article made as much sense as you'd expect. Nobody has yet produced anything that really counters Google. So the best you can do is cast around to all the different quadrants that look like they might produce something and ramble about what could be. Also, the blog post is republished from somewhere else, not written by a16z.