As Covid-19 lockdowns took effect around the world, millions turned to remote working and organising virtual hangouts with friends.
Overnight, webcams went from mundane computer accessories to gold dust.
Even now, the initial surge in demand, in March, has barely abated, with manufacturers struggling to satisfy the many consumers trying to buy.
And while some consumers have been successful, there is plenty of evidence many more are still searching in vain.
Smartphones, tablets and laptops generally come with built-in cameras.
But many users prefer dedicated devices that may offer higher video resolution or be easier to position using, for example, a tripod.
Logitech has started shipping its webcams by air freight instead of sea, to reach retailers as fast as possible.