Recent packaging changes and a study about what matters to consumers who use vending machines topped the charts among Food Dive readers this week. New looks for Campbell's Soups and Diet Coke showed up, along with January launches from Kashi and Caribou Coffee.

If all of this is news to your right now, take a minute and catch up with our five most read posts of the past seven days:

• 6 unique food packaging looks that weren't around a year ago: From Stephen Colbert's "hottest liquid food trend" in America to emotionally-charged veggies, here are a few of our favorite highlights from the last year in food packaging.
• Packaging trends and why they matter: Food packaging may have more of an influence on our decisions at the supermarket than we may think.
• 5 flavors of the week: New Kashi and Caribou launches: The 86 Co. bottles some new spirits, while Kashi goes for the garlic this week.
• 5 factors that can make or break a vending machine customer: A survey shows current food trends and accessibility show up on consumers' minds. But how important are they?
• Energy drink investigation spreads to Congress: Three congressmen have joined the FDA and other agencies in a serious inquiry involving the energy drink market.

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