Tim Cook

Heather Fletcher is senior content editor with Target Marketing.

BMW, Target, Fandango, The New York Times and Expedia are among the 40 brands advertising on the Apple Watch, which launches today. Many consumers who pre-ordered the watches will have them on their wrists today, MacRumors reports on Thursday. That could mean by June, more than 2 million users may have access to, for instance, the app from Starwood Hotels and Resorts that allows guests to check-in remotely and unlock their rooms, reports Adweek on Monday.

For years, Apple's public face was the magical Steve Jobs—the genius who changed the world à la Thomas Edison and Henry Ford. Always in the shadows was #2 executive Tim Cook, tall and reed thin like Jobs.

While mobile payment systems (mobile money, mobile wallets) have been around for over a decade, the unveiling of Apple Pay late last year has some analysts projecting that as many as 2 billion of these kinds of mobile transactions will transpire by 2017. From a security standpoint, at least for now, Apple Pay's methodology may provide better data security and increase consumer "buy-in."

With eMarketer predicting mobile payments will reach $8.95 billion in 2015, one of the two major players in the space expanded its email payment options. During "the coming weeks," Gmail users in the U.K. will be able to do the same thing their U.S. counterparts have been able to do since 2013—send and receive money in their Google Wallet accounts.

Gadget geeks were atwitter Monday, excited that Apple Pay may be integrated with iAd—meaning marketers can add a "Buy" button to mobile ads. The buttons may be available in time for the Holiday 2014 rush, writes John McDermott of Digiday. "Buy buttons in iAd would become even more compelling when combined with iAd's new retargeting feature"

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