The phrase "action that matters" is correct and usable in written English.
You can use it to emphasize the significance or importance of a particular action in a given context.
Example: "In times of crisis, it's the action that matters most, not just the words we say."
Alternatives: "meaningful action" or "significant action".
The Economist article importantly points out that it's the nexus between access to the technology, knowledge on how to use it (digital literacy) and actual use (action) that matters most.
It will be action that matters.
Just plunge right into the action that matters most.
But the action that matters has been going on less raucously in a nondescript modern building in the south of the city, the headquarters of the Federal Electoral Tribunal.
"I'm very much a believer that it's action that matters much more so than, you know, the flurry of political promises and statements and slogans that are used during political campaigns.
All the action that matters takes place in the intermediate regions, especially in King's Landing, where the show truly begins and to which it must always return, if it has any sense.
G20 leaders need to show they are more willing than G8 have been to take actions that matter for the world's poorest.
In contrast to consequentialism, deontology holds that it's not the outcome of actions that matter for their moral valence, but rather the will of the agent performing such actions.
I realized that there are some small actions that matter a great deal to others, and those simple actions can change our lives.
Along the way, you've taken actions that matter - ones that create an online footprint unique to you - that can and should provide context to help marketers see you for who you are: a human being on a mission to see the world.
"First, don't take any action that makes matters worse," he said.
