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Volume 27

Technology Radar

An opinionated guide to technology frontiers

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  • languages-and-frameworks quadrant with radar rings Adopt Trial Assess Hold Adopt Trial Assess Hold
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Themes for this volume

The mainstreaming of ML
In little more than a decade, machine learning has moved from a highly specialized technique to something that almost anyone with data and computational power can do. That is to be welcomed — yet it remains essential that the industry can navigate both the proliferation of tools and frameworks in the space and the ethical issues that are becoming increasingly visible and urgent.
The power of platforms as a product
A platform can be a powerful thing, particularly when it comes to empowering developers. However, we often see disappointing results when they’re not treated properly as products — it’s important that platforms are built and maintained in a way that responds to and mediates the needs of both technical teams and the wider organization.
Moving data ownership to the edges
When it comes to data, centralization can be constrictive. New techniques and tools, however, are making it easier to overcome the challenges of centralization, offering advantages from both a technical and privacy standpoint.
Mobile should be modular, too
The benefits of modularity are well-known, but, for a number of reasons, they haven't been leveraged as much in mobile development. This is now starting to change; we believe adopting a modular approach to mobile will improve not only the quality of mobile applications but also the experience of building them.
Radar Themes 1
The mainstreaming of ML

Machine learning (ML) was once a realm reserved for only a lucky few who had the tools and resources to build cool things. Fortunately, we see a gradual mainstreaming of ML as computational power grows on devices of all sizes, open-source tools arrive and more stringent requirements and awareness around privacy and personalized information all converge to create a burgeoning ecosystem. Techniques such as federated machine learning allow for ML models that provide privacy for sensitive information. The field of TinyML allows models to execute on resource-constrained devices, moving inference to the edge, which both frees resources and improves privacy for sensitive data. Feature Stores provide analogous benefits to the Model-View-Controller design pattern for application development, allowing a cleaner separation of concerns between data curation, model training and inference. Publicly available models such as Stable Diffusion highlight both the amazing capabilities of machine learning and the concerns around source data and ethics. ML components are also easier than ever to wire together, making it possible to build ML experiences and solutions with creative composition of custom business models and highly capable generic models. We applaud the new capabilities in this space and eagerly await future advancements.

Radar Themes 2
The power of platforms as a product

The word "platform" continues to be one of the most used words during our Radar meetings because the concept is so pervasive in the industry. It pops up in many different manifestations, including business or domain-focused platforms but also infrastructure or developer experience platforms. Fundamentally, the root cause of many of the problems and disappointments that organizations experience with all platforms is the failure to properly treat them as products. For example, many platforms intended to be consumed by developers lack the user research and contextual analysis we expect in other types of products. Platform owners need to validate their assumptions about developers’ needs and respond to actual usage patterns. And like any good product, a platform needs ongoing support. It must evolve and adapt in response to the developer's changing needs. Additionally, roles like project managers and business analysts often have different scopes than in traditional applications. The "platform as a product" metaphor only works when fully embraced as a practice rather than a trendy phrase.

Radar Themes 3
Moving data ownership to the edges

As we all too painfully know, centralization of any kind opens up the possibility of constriction, bottlenecks or unnecessary exposure. Thus, we constantly strive to find novel ways to break centralized coupling points, highlighted by several blips in our Radar. Based on research into conflict-free replicated data types (CRDTs), which enable data-based applications without a centralized database, the technique of local-first software/applications encourages developers to think about building around peer-to-peer data rather than using a centralized database. Moving data ownership to the edges also allows developers to take advantage of increased capabilities on devices, as showcased in the Mainstreaming of ML theme. For example, many capabilities such as facial recognition can occur on the edge, keeping the underlying data on the device forever.

Radar Themes 4
Mobile should be modular, too

Software engineers have learned the value of structuring the architecture of an application primarily around domain concepts and business functionality. Technical concerns — a separation of UI from domain logic — are still important but play a secondary role. As mobile apps mature they often get larger, sometimes growing into so-called super apps, which comprise many services and can be seen as platforms in their own right. Apps that aren't quite as large but have picked up many capabilities over the years can usually be decomposed into modules, too, and companies find that mobile apps benefit from the same approach to modularity. Modular apps lend themselves to be written by multiple autonomous teams, which brings many well-documented benefits. Adding to the complexity is the requirement to deploy via an app store and the need to support native iOS and Android versions plus a web-based version, with subtle changes to accommodate each. We see better framework support for the unique tensions inherent in mobile development, but on the whole, despite the benefits, many organizations struggle to bring a modular approach to mobile development.



The Technology Radar is prepared by the Thoughtworks Technology Advisory Board, comprised of:


Rebecca Parsons (CTO) • Martin Fowler (Chief Scientist) • Bharani Subramaniam • Birgitta Böckeler • Brandon Byars • Camilla Falconi Crispim • Erik Doernenburg • Fausto de la Torre • Hao Xu • Ian Cartwright • James Lewis • Marisa Hoenig • Mike Mason • Neal Ford • Perla Villarreal • Scott Shaw • Shangqi Liu

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