Choosing a light bulb requires some useful tips, although most of us buy light bulbs depending on watts. And it's wrong. Lumens are much more relevant to what we are looking for in a light bulb - the luminous flux - so they needed to be brought into discussion. How? By mythicization. What are they? Where do they come from? Can you take them home?

Watt is a lumen?

Take a lumen home. 

Adopt a lumen.