In today's rapidly digitizing world, the fissure known as the 'digital divide' is becoming ever more prominent. It separates individuals and communities into those who have access to digital tools and the internet and those who do not. This divide has profound implications for productivity, economic growth, and social inclusion, strikingly evident within the informal economy. No Worker Left Behind recognizes that addressing this issue is vital for creating a just and equitable future for all workers, especially those often overlooked by mainstream discourse.

The informal economy comprises a significant portion of the global workforce, encompassing a broad array of workers from street vendors to home-based craftspeople. While being a crucial part of many emerging economies, it remains largely marginalized in terms of technological access and literacy. The barriers faced by informal workers are multifold and include issues such as affordability, lack of infrastructure, and limited digital skills.

To bridge this divide, comprehensive strategies must be implemented. No Worker Left Behind proposes a three-pronged approach:

1. Democratizing Digital Literacy: Basic digital literacy is no longer a luxury but a necessity for participating in the modern economy. Skilling initiatives must be launched that cater to the unique circumstances of informal workers. Mobile classrooms, community technology centers, and partnerships with local non-profits can play a significant role in educating this demographic.

2. Providing Affordable Access to Technology: Cost is a substantial barrier for many in the informal economy. Subsidized internet access, community-shared digital hubs, and affordable device schemes could be ways to overcome this obstacle. These measures, coupled with regulatory reforms to encourage competition among service providers, could lead to lower prices and wider access.

3. Incubating Tailored Innovations: Technology solutions need to be context-specific to cater to the diverse needs of the informal economy. Platforms that facilitate micro-enterprise, apps that connect artisans with global markets, and digital tools for better financial management are examples of what's needed. Engaging local tech communities in developing these solutions can ensure they are relevant and effective.

These initiatives are not just theoretical proposals but have been implemented in various forms around the world with measurable success. For instance, the 'Harare City WiFi' project in Zimbabwe provided affordable internet access for street vendors, enabling them to adopt digital payment methods and expand their customer base. In India, the 'Digital Sakhi' program trained women in rural areas to become digital literacy advocates, fostering a grassroots movement for technological empowerment.

These success stories demonstrate the potential for scalable and adaptable solutions to bridge the digital divide in the informal economy. However, the road is long, and concerted efforts from governmental bodies, private sector players, and civil society organizations are required to make digital inclusion a reality.

In conclusion, bridging the digital divide in the informal economy is not an insurmountable challenge but an opportunity. An opportunity to foster inclusion, enhance productivity, and stimulate growth. As No Worker Left Behind champions these efforts, it invites stakeholders from all sectors to collaborate and innovate, ensuring that no worker is left behind in the digital age.