Camera phones and tiny digital video cameras have made it easy to capture images of celebrities at intimate moments. With the new technology has come a dramatic growth of gossip blogs such as Just Jared and Perez Hilton that have created demand for information about celebrity marriages, engagements, divorces, and pregnancies.

But a growing number of celebrities, including newlyweds Tom Brady and Gisele Bundchen, are trying to keep their personal business to themselves.

— Vanessa E. Jones, Globe Staff