After taking a deep breath after the Christmas frenzy, we’re to get ready to another big holiday as St. Valentine’s Day is just around the corner. To add more fun to the process of choosing the right gift for the loved ones, Tiffany & Co. has launched a dedicated Facebook app, “Love, Tiffany,” that features a range of jewelry pieces along with a heartwarming animation and wise words.

Heineken is tapping into the lovely Christmas tradition of singing carols with a new fun experiment that invited non-professional singers to perform in front of a broad audience. The challenge dubbed Carol Karaoke comes as part of the brand’s U.S. holiday campaign taglined “Open Your Celebrations,” which continues Heineken’s global marketing effort “Open Your World.”

Jack Daniel’s Australia celebrates the festive season with a launch of a new interactive experience that focuses on the heritage of the brand and its Lynchburg distillery in Tennessee. The online hub, developed by Arnold Furnace, invites visitors to embark on the tour across the location and discover how they create Jack Daniel’s, one of the most popular Christmas gifts for men of all times.

Harvey Nichols, the UK’s upmarket department store, has launched a tongue-in-cheek campaign to inspire customers to spend less on Christmas gifts for others in order to save more money and buy pricy gifts for themselves. The effort taglined “Sorry I Spent It On Myself” is developed by adam&eveDDB—it includes a TV spot and a range of low-cost retail items with a self-indulgent explanation on the packaging.

Following in the footsteps of Coke Zero’s Sweater Generator fun-packed contest, Budweiser has introduced its own sweater-themed promotion in line with the holiday knitwear season. The beer brand fosters a little revolution in sweaters production, making grannies step aside and give way to contemporary installations, powered with social media. Budweiser’s Twitter-powered knitting machine, Knitbot, creates sweaters fueled with tweeted commitments to not drink&drive.

Coca-Cola Zero wants to help people feel less awkward in their traditional, still usually ridiculous Christmas sweaters. The garment, which causes heartache to those who have to wear it at family Xmas parties, now can be fundamentally redesigned. The brand has launched an online destination, Coke Zero Sweater Generator, inviting its US consumers to come and create a Christmas jumper design for a chance to get the physical incarnation of their dream jumper.