When it comes to promotional tchotchkes, every season is a season of giving. The PR industry spends $1 billion annually on "wearable" giveaways alone, typically T-shirts, hats and jackets, according to Angela West, a spokesperson for the Promotional Products Association in Irving, Texas. But the freebie action definitely heats up during the holidays. The question is whether gift giving is a worthwhile expense item in the PR budget.