hmmm, hmmm .. "Posted by Sundar Pichai" - isn't that the guy who convinced Googles top management in 2008 to kill - the ready for launch - GDrive because files are "deprecated", "ungoogly" and a "thing of the past" (according to steven levys book "in the plex") - wonder what changed since then (DropBox? Evernote? ...)
>what do you think all those involved were doing in the last 4 years?
well my sarcastic self suggests: 3 1/2 years of those 4 years probably: google wave, google buzz, google search wiki, google site annotations, google knol and - not to forget - google plus