The kind of application that Google knows how to make well are the kind that embody a panda’s “eats, shoots, and leaves” model of Internet behavior. Pandas spend every waking hour foraging – aka searching – and consuming. The most successful Google applications serve such a utilitarian mandate, too: they encourage users to search for something, consume, and move onto the next thing. Get in, do your business, get out. Do a Google search, slurp down information, move on. Pull up Google maps or Gmail or Google news, do something, leave. Where Google does not excel is in making applications that are by their nature for lingering and luxuriating – the so-called social applications.
Adam Rifkin, from his excellent post Pandas and Lobsters: Why Google Cannot Build Social Applications…