128b$ = Capitalization before YouTube acquisition
+2.02% = Stock valuation after the acquisition
2.56b = 128b x 2.02%
1.65b$ = YouTube acquisition (in stock so virtually without any real cost)
2.56-1.65 = 0.91
910 M$ : This is what Google gets just as a mechanical effect of the acquisition, do they really need to show a strong industrial plan behind the operation ?