I agree 100% in theory -- but it's still a nice essay to have on HN given the million of other blog posts about the complete opposite reaction to Facebook that get upvoted to obilivion when they're also all pretty much annecdotal.
Essentially I upvoted the article because it's nice to know that HN isn't completely a sound-proof echo chamber =)
Essentially I upvoted the article because it's nice to know that HN isn't completely a sound-proof echo chamber =)