And in recent years, pronouns — letting the recipient know that the sender goes by “she,” “he,” “they” or something else, a digital acknowledgement that people claim a range of gender identities.

Family First Tech Initiative at the Institute for Family Studies Congress convened a hearing late last month to discuss the harms kids face online and what lawmakers can do to better protect them.

The Yoga Vida co-founder—who shares kids Carmen, 11, Rafael, 9, Leonardo, 8, Romeo, 6, Eduardo, 4, María Lucía, 4, and Ilaria, 2, with husband Alec Baldwin ...