Disruptive technologies (Christensen)

A potentially disruptive technology often looks unimportant at first. It underperforms on the dimensions valued by leading customers, yet offers a different advantage—simplicity, size, convenience or low cost—that supports a foothold elsewhere. Improvement and experience can then carry it toward the mainstream.

When to use it

• Use the framework when an emerging technology may threaten the economics or customer base of a sustaining technology.

Origins

Joseph Bower and Clayton Christensen developed the argument through research on how capable incumbents responded to technological change. Christensen’s The Innovator’s Dilemma connected failure to rational resource allocation: organisations listen to their best customers and invest in attractive margins, leaving early, uncertain footholds to entrants. Experience effects such as The experience curve can help the entrant improve cost and performance, but technology alone does not guarantee the trajectory.

The organisation that succeeds may therefore be designed specifically around the emerging market rather than inherited from the incumbent structure.

What it is

Great firms can fail while doing what conventional management tells them to do.

Christensen’s 1997 book distinguished sustaining technologies, which improve established performance dimensions, from technologies that initially perform worse for mainstream customers but create a different value proposition. Successful companies are excellent at sustaining improvement because their processes, customers and financial filters demand it.

A disruptive path changes the benefit-price relationship. The early offer may be inferior in headline performance but smaller, simpler, more accessible or far cheaper. It gains a beachhead among overserved users or non-consumers and improves until the mainstream accepts it.

Examples often cited include personal computers displacing larger systems, digital printing challenging offset processes and online information replacing printed encyclopaedias. Each case should be examined for its actual foothold and business model rather than accepted because the technology was radical.

Hard-disk drives supplied Christensen’s core evidence. Incumbents repeatedly led their current generation but lagged entrants producing smaller drives for emerging applications. Seagate led the 5.25-inch market and developed a 3.5-inch drive, but its existing customers showed little interest. Employees and entrants pursued the smaller format while Seagate concentrated on improving the profitable larger product. As smaller drives improved and laptops and PCs expanded, the market shifted.

The research revealed two recurring barriers. Major customers can reinforce incumbent priorities, and new entrants are not constrained by old processes, sales arguments, margins or customer expectations.

That is the innovator’s dilemma: when should an organisation invest in an initially inferior market, cannibalise its current products and accept uncertain returns to prevent a new entrant from doing so first?

Disruptive technologies

Time

Gillette illustrates deliberate self-cannibalisation in a sustaining sequence. Trac II reduced demand for the double-edged safety razor, and Mach 3 later replaced Trac II. The exact classification matters less here than the principle: refusing to replace a profitable product does not prevent competitors from replacing it.

E-commerce created similar dilemmas. Digital-native entrants dominated several categories despite incumbent assets, while sectors such as fresh-food retailing, banking and public information showed that physical distribution, security, regulation and trust can allow hybrid “bricks and clicks” models to remain strong.

How to use it

Create a disciplined watchlist of technologies and business models that could serve overserved customers or non-consumers. For each one, define the initial job, performance shortfall, alternative advantage and plausible improvement path.

Because markets that do not yet exist cannot be forecast precisely, use pilots and discovery-driven planning. Small teams should work with customers whose needs differ from those of the core, test critical assumptions and revise the strategy as evidence develops. See Discovery-driven growth.

Where core priorities would suffocate the opportunity, establish an independent unit with the resources, processes and cost structure to pursue it. Give the unit explicit learning milestones and freedom to cannibalise the legacy offer if the evidence supports scale.

Top practical tip

Track the entrant’s trajectory and customer job, not just its laboratory performance. Ask whether its distinct advantage is creating a viable foothold and whether improvement could make it sufficient for the mainstream.

Top pitfall

Stay within plausible bounds. Scanning is necessary, but treating every speculative technology as an existential threat will disperse resources. Fund bounded experiments that buy evidence before making a large commitment.

Further reading

• Bower, J.L. and Christensen, C.M. (nineteen ninety-five). “Disruptive Technologies: Catching the Wave.” Harvard Business Review.
• Christensen, C.M. (nineteen ninety-seven). The Innovator’s Dilemma. Harvard Business School Press.