The tool is better at adding sources and producing files in multiple formats—but you still have to double-check its work.

Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...

CNET’s expert staff reviews and rates dozens of new products and services each month, building on more than a quarter century of expertise. Editors' note: NotebookLM is unlike other AI tools. While ...