You could also use the voice memo tool to reconnect with "stale contacts," says Gavin. Be warm, not overly formal, "and since it's someone you know, it can be longer," she says.

The other side: Firms should impose strict controls on mobile devices Your thoughs on mobile device usage Join our forum Smart phones and PDAs pose a similar challenge.

You could also use the voice memo tool to reconnect with "stale contacts," says Gavin. Be warm, not overly formal, "and since it's someone you know, it can be longer," she says.