When you're part of the group that runs the World Wide Web, it can be daunting to explain to your mother what you've done with your day. Take Paul Trevithick, chief technology officer for Bitstream, a Cambridge-based company that designs and sells computerized type fonts. Trevithick was in his hometown of San Jose for a meeting of the World Wide Web Consortium's font group not too long ago, and after one day's sessions he decided to visit his mother. "What did you do today, dear?" she asked.

Select from the choices above to read the entire article.