When was the last time you sent a handwritten note to anybody? I'm not talking about a post-it with a honey-do list or a note to your kid's teacher about the homework. I mean an honest, thoughtful note to send your thanks, sympathies, or salutations. These thoughts dawned on me as my eight-year-old son wrote thank-you notes to the more than twenty friends who attended his recent birthday party. As is custom, each child brought a gift, and, another custom, I instructed my s