Using it isn't too cumbersome as the Watch app only has one button — a start/stop button.
Google Cardboard really only has one button, limiting what you can do.
Somehow, the awfulness of the hockey puck mouse lasted 18 months before Jobs killed it in January 2000, citing its terrible reviews, and introducing an oval-shaped optical mouse which still – like all Apple mice before and since – only had one button.
The government computer has one button: delete.
It only has a "Like" button, possibly because a "Dislike" one might facilitate a higher level of discourse than that deemed desirable by the system's architect.
Newer ones only have one.
It has one power button, one status light and a swappable battery that looks like the one in a cellphone.
It has only one button to create the GIF, and another toggle to turn "Colors" on.
One group of children received a toy that had four buttons, each of which activated a different feature — a windup mechanism, LED lights, a spinning globe, and music — while the other group was given a toy that looked nearly identical but had only one button, which controlled the windup mechanism.
The fob for this latest version of Subaru's esteemed rural action vehicle has only one button on it, a button that, in turn, locks and unlocks the car.
To get it working, you only have to click one button on the Conversationlist site, authorize the service via OAuth, and you're set.
