ow does one shop at an invisible store? Step one is finding said store. Once you've done so, the process of selecting merchandise and making payments is similar to how you'd make any ordinary online purchase.

A Canadian TV campaign from January touted the miracle health benefits broccoli has to offer. The company behind the campaign, however, might surprise you. Was it a local grocery store chain? A group of farmers? No and no. The Television Bureau of Canada made the big revelation in September that it created the five-week campaign in an effort to prove that TV ads can sell anything.

Vacuum cleaners aren't the most "green" household appliances. They're made of plastic -- lots of plastic -- and even a brand's "green" line of equipment could still contain a percentage of unrecycled plastic. Electrolux drew attention to the lack of recycled plastic needed to create sustainable appliances by making vacuum cleaners from the plastic found littering ocean floors.

Happiness Brussels sent two creatives on a journey to Grand Isle, La. to gather oil from the BP spill to be used to create posters raising money for the Coalition to Restore Coastal Louisiana.

Microsoft continues to woo the developer crowd with tools only a techie could love. In September, the company created a fictional company, Web sites and products to promote Microsoft Office 2010 and SharePoint 2010. Around the same time, a tool was quietly added to Microsoft.com that allows programmers to hear their code as music.

FirstBank, Colorado's largest locally owned bank, is known for its ad campaigns providing services to make life easier. This past August brought airport ads aimed at tiring small children so they'll sleep on the plane. The company's latest campaign at the Denver International Airport consists of signboards with a handful of QR, or quick-response, codes attached. Anyone with a smartphone can take a picture of the QR codes to unlock free goodies, like e-books, crosswords and sudoku puzzles.

If a tree could talk, what would it say? Stop climbing me? Don't cut me down -- I have feelings, too? There's a tree living in Bois de la Cambre, a park in Brussels, Belgium that shares its feelings and observations about its surrounding environmental state. "Talking Tree" is a print and digital campaign for popular science magazine EOS. The initiative gives nature a voice on the hot topic of climate change and decreasing one's carbon footprint.

Interactive treasure hunts are taking the virtual world by storm, offering a wealth of great prizes, without the physical exertion. Last year, ASICS created an online scavenger hunt for select European bloggers, while earlier this year, Vodafone tapped15 bloggers in the Netherlands to create their own treasure hunts for readers to solve. The latest brand to send users on a virtual chase is Sapporo beer.

Get ready for a campaign that put a roof over the heads of prospective home buyers and shelter dogs. Beginning last month in Brazil, Pedigree teamed up with Gafisa, a Brazilian real estate and construction company, to sell homes and get dogs adopted.

What would the world be like if miniature-golf courses, bowling alleys, driveways, gas stations and skate parks threw caution to the wind and covered their surfaces with tiled flooring? Personally, I'd want to know if tiles would improve my chances at bowling a perfect game.