Generational gaps exist because no generation has ever lived through another’s era. At Tet, this divide becomes even more visible: the youth embrace the new—novelty choices, digital trends, and AI-powered care—while older generations hold fast to the comfort of tradition. P/S saw this as an opportunity to root itself deeper into consumers' sentimental lives. By making the impossible possible, P/S created a unique, heart-to-heart experience that transcends time and perspective. Through the power of Google Gemini, we didn't just narrow the gap; we built a bridge of shared memories, ensuring that healthy smiles continue to shine across every generation of the family.

Tết reunions often highlight the "invisible miles" of the generation gap. P/S recognized that while traditions evolve, our platform - Healthy Smile is the universal language. We turned this into a functional device: “Plus One Smile, Minus a Thousand Miles.” Using the advanced power of Google Gemini, we transformed the smile from a brand platform into a symbol that can travel from the past to the future, allowing families to co-create Tết memories in every timeline.

A. The Intersection of Time:

Users uploaded a family photo and selected a specific era: "Grandparents' Time," "Parents' Time," or "Today's Time." - A deliberate alignment with the three generations commonly present at the Tết table, allowing the youth to "visit" their parents' youth and vice versa.

B. The Timeless Signature of Tết:

Based on extensive research, we curated six "Tet Signatures" that transcend time (House Decoration, Shopping, New Year’s Eve Worship, Family Portrait, Karaoke, and Lucky Money) to serve as the ultimate bridge for family connection. By visualizing the same activity across three different eras, the AI highlighted the evolution of traditions.With the infinite power of Google Gemini, 3 different eras and 6 signature activities, each generated image is a personalized gift for each family. Instead of a basic filter, Google Gemini delivered a diversity of results that felt unique and special to every user's own history.

C. From Physical to Digital:

In a co-marketing stunt with Google, we brought our "Tết Time Keepers" to life at offline booths - targeting every generation: high-traffic malls for families and Hoa Sen University for the young spirit. Our audience didn't just see a digital image; they experienced an instant physical connection, seeing their history printed in real-time. The microsite acted as the campaign’s emotional heart, moving P/S from one-way thematic storytelling to two-way engagement.

P/S took a social-first approach, with Facebook as the lead channel to spread the microsite. The platform was chosen for one clear reason: it is one of the few spaces where all generations are present, making it the most natural place for families to discover and talk about the experience together.

To deepen relevance, P/S developed different ad assets for different audiences: photo restoration-led creatives to resonate with older users through nostalgia; and social-ready AI outcomes to appeal to younger users who love sharing fresh, standout content online - with the help of different communities spread-out.

To lead the conversation, P/S partnered with Tina Thảo Thi. Her family-centric persona made her a natural fit for the campaign: credible to young audiences, yet closely associated with warmth, togetherness, and everyday family connection. This helped the microsite enter social not as a tech demo, but as a meaningful Tet experience worth sharing.

Beyond Facebook, the campaign found surprising discussions on Threads. As a platform built for raw, text-heavy storytelling, Threads became the perfect stage for Gen Z to share "time-travel" portraits of their parents, sparking deep, sentimental threads about family heritage.

P/S also built an offline-to-online connection system with Google Gemini. Through the Google Arena series, the microsite was featured as one of the leading AI challenges for students, bringing young participants from offline experience into online sharing. At the same time, P/S and Google Gemini brought the experience to major cities on weekends, appearing at high-traffic family destinations to invite every generation to create the journey together. In this way, offline activations did not stand alone — they became an engine to extend the audience pool.

[1] objective: Marketing | result: 17K image Generated within a month

[2] objective: Marketing | result: 75% Generated Images from the site are saved & shared on social media

[3] objective: Marketing | metrics: Reach Rate | result: 20K Reach through offline activation co-hosting with Google Gemini