If you're typically a wallflower, lean on friendly co-workers or an outgoing spouse to open conversational opportunities.

WSJ: 'Don't Cleat the Boss' and Other Tips to Manage the Summer Office Picnic

He has no computer at his desk, just an Etch A Sketch on which co-workers can leave friendly messages.

WSJ: Patagonia's Founder is America's Most Unlikely Business Guru