Livrada e-book cards for authorsAfter closing a $1 million seed funding round led by ICG Ventures, Livrada just went live with e-book cards authors can sell at events, such as conferences, trade shows, books signings and the like. E-book-only authors (like myself) run into problems trying to sell their books at events. What do you do? Have a laptop or tablet set up so people can sign-in to their Amazon account and buy your books? Just think though the logistical nightmare of that for a minute. (I tried to do it last month at a conference. Didn't work.) But selling cards like this? Great idea. It allows authors...