1. What is Block, Jack Dorsey’s firm that laid off 4,000 people due to AI? | Block’s shares surged after layoffs | Inshorts  Inshorts
  2. Jack Dorsey to cut 4,000 jobs due to AI advances at Square parent Block  The Guardian
  3. Block lays off nearly half its staff because of AI. Its CEO said most companies will do the same  CNN
  4. Block shares soar as much as 24% as company slashes workforce by nearly half  CNBC
  5. Financial services company Block to lay off almost half its staff and replace them with AI  The Journal