Earlier quoted context omitted.
Then imagine the Indians, or the Germans, or (to a much lesser extent) the Israelis. The point is, what if someone says, "My comparative advantage will be that I steal your code and localize it for people who don't speak your language"? Baidu is Chinese Google, Wallah is Israeli Yahoo. Once you've got web designs out in public, or important algorithms like PageRank in published research papers, these supposed "trade…
Baidu and Wallah did not "steal code" from Google and Yahoo. You can argue they "stole" ideas of search and portal, but that would imply there's ownership of these concepts and it belongs to Google and Yahoo - which is wrong on both counts, both ideas existed long before their implementations by current kings of the hill, and nobody owns them. If you think copying Google is "dead easy", you're well on the way to beco…
I don't either. But you've missed my fundamental claim: lacking any kind of "intellectual property" enforcement, pretty much nothing stops people from treating the code for web-services the exact same way they treat the code for video games or office suites: avast ye maties!
Also, DuckDuckGo seems pretty good to me.