Is PageRank really the indomitable tech of our generation? Nobody can do better algorithmically, or integrate some kind of crowd sourced feedback, or measure browsing time and habits, or simply hand tune some of the most competitive key phrases? I’m sure I’m oversimplifying, but I wonder if we haven’t all been hypnotised by the complexity, much of which is marketing hype... Actually, the tech is extremely complex, an…
That if is actually Google's biggest strategic advantage though: the resources to keep a near-live and nicely deduplicated copy of all relevant data on the internet. [PS1]
That's why by far the biggest strategic threat to Google is actually JavaScript UIs + RESTful APIs and the easily accessible data sources they form.
Google's demise will eventually come in the form of the adoption of protocols which allow you to efficiently maintain a live view of a service's public resources.
[PS1] And as per https://news.ycombinator.com/item?id=7011816 click-throughs of course, although I don't see a way to side-step that with Google having implemented [not provided]