Nicole Leigh Shaw consistently wonders, "Why did I come into this room?" Once upon a time she was a mostly serious news journalist, an accidental magazine columnist and a mediocre editor. Now, she funnels an enthusiasm for meeting minimum requirements into her blog, NinjaMomBlog.com, and finding pairs of socks for her kids that kind of match. With four kids under age 9 (two are twins), she can say with confidence that she's finally gotten the hang of this birth control thing: Pinterest. Because one cannot procreate and pin at the same time. Like her Facebook page and follow her on her back-up birth control, Twitter.