Readers respond to David A. Graham’s question “Who still buys Wite-Out, and why?”

Pharmacies have started quietly offering leftover COVID-19 shots to anyone around. You can guess where this goes.

How do we memorialize life online when it’s constantly disappearing?

The pandemic broke online shopping.

Accusing people of “shouting ‘Fire’ in a crowded theater” isn’t sufficient grounds for regulating what they say.

Merciless trolling is a fact of online life that may never go away.

Companies aren’t asking for your feedback. They’re begging you for data.