Andrew Browne was formerly a senior correspondent and columnist for The Wall Street Journal.

Across Instagram, Facebook META-2.00%decrease; red down pointing triangle and WhatsApp, Meta Platforms is racing to popularize a new class of AI-powered digital companions that Mark Zuckerberg ...

with each child creating their own Role on the Wall. For a class collaboration, draw, or print out, the outline of a human figure on a large piece of paper, or on a board. For individual participation ...