In fact, some of you can really boost your earning power now. Ka-ching!

事实上，现在你真的可以增加收入。

youdao

About a dozen times per shopping trip, the device lets out a "Ka-ching" as an electronic coupon appears on the screen.

WSJ: Mobile Checkout Devices Let People Scan and They Shop

Each time you toggled to a new tab, the ads on the right-hand side refreshed meaning a new page view and ka-ching for Facebook.

FORBES: How Facebook Can Be a $100 Billion Business

Josh Beckett, Carl Crawford and Adrian Gonzalez, ka-ching.

CNN: 'L' is for losers in L.A. sports