More than almost any library, Facebook may be the single greatest home for historical testimony in the history of humankind. One can only hope that, with this step, the technology company is realizing the weight of its awesome responsibility.

The internet’s low-cost transmission can just as easily create information empires and robber barons as it can digital democracy and information equality. The growing value of being able to mine and manipulate huge data-sets, to generate predictions about consumers’ behaviour and desires, creates a self-reinforcing spiral of network effects. Data begets more data, locked down behind each company’s walls where their proprietary algorithms can exploit it for profit.

Today, the equivalent gesture might be to turn away from private monopolies to fund innovation and creativity. What matters is who owns information, not just the infrastructure by which it is distributed. Digital technology must be combined with concrete actions that protect openness across the spectrum, from maps to medicines, from software to schools. Better that we do it through public institutions, instead of relying on mavericks and martyrs.

The failure of traditional politics reflects the failure of our political-economic system and our traditional strategies. The old ways simply no longer work. Systemic crisis means that systemic change is ultimately necessary – no matter how difficult it may be. Beginning with community and building up, from diverse directions and working together in a new politics and a practical strategy of system-wide change ultimately offers the only serious response to a crisis of system-wide dimensions.