Not true, Look at chrome, Its mostly leveraging various externally developed pieces of sw, and then adding some sauce (process isolation) into the mix.
Google unlike other companies knows how to leverage open-source for its profit and does it like no other
Take a BHAG (Big Hairy Audacious Goal), Break it
up into small reusable pieces and accomplish over
a long period of time making measurable progress every
day. Easier said than done.
Google unlike other companies knows how to leverage open-source for its profit and does it like no other