More Americans are single by choice, lab-grown meat, luxury brand and China's millionaires

-From the Arab Spring to capitalism, Time brings us five hot topics from this week’s Davos conference.

-With food security on the agenda at Davos, The Financial Times takes a look at how governments, industry and other organizations are scrambling to address an increasingly urgent issue.

-Two executives attending Davos report in for The Guardian: Peter Lacy of Accenture Sustainability Services outlines the need to get consumers on board in order to scale sustainability. And Aron Cramer of BSR discusses his workshop on “Consumers as Innovators.”

 Boston magazine looks at the rising numbers of Americans who are single by choice. And Fortune spotlights the “extraordinary rise” of Americans who live alone and the business opportunities they present—all in line with our 2012 trend Marriage Optional.

The Washington Post reports on a survey it conducted with the Kaiser Family Foundation that paints a complex portrait of black women in America.

The Financial Times reports that many luxury brands have yet to bond with China’s millionaires and looks at how they’re trying to change that.

-According to new Nielsen findings, a majority of global consumers have difficulty understanding nutrition labels and about half support calorie labeling on menus.

The New York Times looks at the rise of luxury hospital suites—complete with butlers, designer linens and gourmet food—for the super-wealthy.

The New York Times takes a look at how smart the “smart” appliances shown at CES actually are.

YouTube’s audience is reaching mind-boggling heights, as ReadWriteWeb reports.

Fast Company gives us an update on the great Indian tech war.

-U.S. mobile ad spending is slated to grow by 80 percent this year, according to eMarketer.

The New York Times looks at how some e-commerce merchants are gaming the system to get good reviews.

The Atlantic spotlights “The Slow Death of the Signature in a PIN-Code World.”

-The traditional résumé may become another casualty of the digital age, reports The Wall Street Journal.

-Software coding is going mainstream, reports Bloomberg Businessweek, with free online courses helping non-techies do things like design their own Web apps.

The Guardian looks at the potential for lab-grown meat to help curb world hunger and climate change.

-The color brown conveys “green” to consumers, according to The Wall Street Journal, explaining the proliferation of brown paper products.

-A former food executive examines why iconic food brands need to remake their products for a more health-conscious consumer, in The Atlantic.

-San Francisco’s airport has opened a “zen room” yoga studio for travelers.