By David A. Yovanno David A. Yovanno is the CEO of Gigya, Inc., a leading social optimization platform for online business. He can be found on Twitter at @daveyovanno or e-mail dave(at)gigya(dot)com. When it comes to Facebook, if you’re uncertain where and when to place a “Like” button on your site and when to use […] ↓ Read the rest of this entry…