wheel - 3:02 pm on Feb 18, 2010 (gmt 0)
The only way they can continue to grow is to develop new things. Some take off, some don't. Working only on what they have would be a bad move(although they could definitely use better customer service for Adwords/Adsense)
Lots of companies don't keep getting into anything and everything new and still expand just fine.
Further, your assertation that 'some take off' is false. Google has had exactly 0 hits on anything other than their advertising platform. Nothing. Not gmail, not GA, not buzz, not this, not that, not any of the new 'big hits' they release every two weeks over the last many years. Every one costs money,none of them make money.
The folks at the top just haven't figured out yet that they're a publicly traded company. But I believe that the day is going to come when they're going to get a wakeup call from the stock owners.