PledgeBank

The bet

Plenty of people would write to their councillor, organize a street cleanup or start a car pool, if they knew they wouldn't be doing it alone. PledgeBank's bet was that a lot of civic action never happens because people can't coordinate, even when they have the will.

mySociety launched it on 13 June 2005. Anyone could make a simple public commitment: "I will do X, but only if N other people will also do X." Each pledge stayed visible to everyone until it hit its threshold or the deadline passed.

Peak

The mechanic was early, and that's easy to underrate now. PledgeBank's threshold pledge predates Groupon (2008) and Kickstarter (2009) by several years. It ran on the same basic logic, a public commitment that only switches on once enough other people join, for civic and personal goals instead of products or discounts.

PledgeBank ran for a full decade and hosted thousands of pledges, from writing to councillors to organizing local events. It became one of the steady, lower-profile tools in mySociety's civic toolkit, alongside FixMyStreet and TheyWorkForYou.

What worked

People will commit to collective action when a visible threshold protects their individual commitment, so nobody has to be the only one who shows up. PledgeBank showed that this works for civic goals. Later, much larger platforms proved the same structure could carry a consumer business.

What failed — the mechanism

mySociety is a nonprofit that builds a portfolio of civic tools, and every tool in that portfolio competes for the same small pool of staff time and grant funding. PledgeBank's usage was real but modest next to mySociety's larger, more heavily used tools.

By 2015 the organization judged, in its own words, that in some cases the world had moved on. In others it simply no longer had the resources to dedicate to every project it had built.

mySociety didn't let PledgeBank degrade quietly. It stopped new pledges that February and closed sign-ups within the month, an unusually candid, planned retirement.

What Agora takes from it

The idea wasn't wrong. mySociety was carrying more tools than its funding could sustain indefinitely, and it chose to retire one deliberately instead of letting all of them starve a little.

Agora doesn't have that portfolio problem in the same shape, with one product and one mission. Its answer is a PBC structure with a revenue product, so the thing that has to keep running has more behind it than goodwill and philanthropy. The underlying lesson still holds: grant funding caps how many things a nonprofit can keep alive at once.