Well I don't think the search algorithm is the simple part of Google. One example of a simple solution PG used was Viaweb. Viaweb's source code is analogous t

Well I don't think the search algorithm is the simple part of Google. One example of a simple solution PG used was Viaweb. Viaweb's source code is analogous to Google's search algorithm in that case. I think in the context of that article the user-facing part of Viaweb (and Google) is the simple part. "Software, to them, equalled big, honking Windows apps. Since Viaweb was the first web-based app they'd seen, it seemed to be nothing more than a website." [From Six Principles For Making New Things by pg]