For the long term portfolio I hold, I consider 3 key principals
1: Clear and undisputed market leader in its space
2: Visionary leader ( 很多人不喜歡畫大餅的CEO,但我想說的是,如果連餅都畫不大,那這家公司也不可能做大)
3: Earning and revenue growth greater than its valuation
For Google, it has check mark only on #3, but does not meet my standarad on #1 and #2