The WSJ is reporting (via Techmeme) that Google is planning to allow Motorola to spend up to half a billion dollars to promote its forthcoming flagship smartphone, the Moto X. This would mean Motorola would spend more on promoting one handset than either Samsung or Apple spent in total last year across all their mobile devices.

Google is expected to allow its Motorola hardware unit to spend several hundred million dollars—and possibly upward of $500 million—to market the highly-anticipated device in the U.S. and some overseas markets, including in Europe, said people familiar with the matter.

All four major U.S. wireless carriers—AT&T Inc., Verizon Wireless, Sprint Nextel Corp., and T-Mobile—are expected to make the device available to their customers this fall, in part because of Motorola’s marketing plans …  expand full story