Recently, Jinx Schwartz and Polly Iyer shared their experiences as authors using free e-books through Amazon's KDP Select program. (Click on their names to read those posts.) About a year ago, the BBT Cafe authors put together a short story collection, The Corner Cafe , as an author sampler and to test Amazon's KDPS free days. As a result of that project, I've watched other authors and publishers implement their assorted approaches to this marketing method. I'm signed up for three e-letters hawking free and inexpensive Kindle books, and review them daily, and also occasionally use NetGalley . Here are some thoughts (based largely from a reader and reviewer perspective) on how I view the free e-book marketing tactic and its evolution: 1. Giveaways and samplers work as well as they have since the idea was first conceived (which historically probably goes way back). If the product is good, the experience pleasant, and the customer has a reason to come back and sp...