What's that on your jeans? Do I see a hashtag? To promote its new line of eco-friendly laser-blasted denim, Replay created an in-store and social media campaign that projected tweets onto denim in real time.

An outdoor and social media campaign for War Child Holland reminds me of the popular '80s song "99 Red Balloons," where objects that often elicit happy memories -- balloons -- embody a darker meaning. The one-hit wonder was an upbeat, catchy tune with lyrics that spoke of nuclear war between East and West Germany, sparked by 99 balloons innocently released into the sky by two kids. Fast-forward to 2012, when War Child Holland and Dutch radio station Radio 538 teamed up to create a life-sized Sherman Panzer tank from 7,000 balloons.

Troy-Bilt touts its yard products as made to last a lifetime, so it makes sense to show one family in varying life stages throughout its TV spot. In an effort to further reach 26- to 49-year-old homeowners and DIYers, Troy-Bilt added the Shazam logo to its commercials, enabling mobile and tablet users to access additional product and song information. Unfamiliar with Shazam? It's an app that identifies song titles and artists, allowing viewers watching TV from their tablet or smart phone to "tag" the music in the ad.

Does your loyalty lie with the Stark, Greyjoy, Baratheon, Lannister or Targaryen family? It's a question that fans of the popular HBO series, "Game of Thrones" can answer without hesitation. But is your loyalty steadfast? Dedicated enough to make a permanent pledge on your body?

Ever wonder how technology similar to Google Street View would render in national parks? Look no further than Nature Valley Trail View, a site that lets explorers virtually visit more than 300 miles of the Grand Canyon, Yellowstone Park and the Great Smoky Mountains. Content -- including points of interest and trip planning information -- is shown through panoramic views and interactive guides. McCann NY created the campaign for General Mills' Nature Valley granola bars.