The document summarizes a presentation given by Afsin Buyukbas on mobile network optimization in Eurasia. It discusses what regulators care about, which is promoting competition and consumer protection while reducing regulations as competition increases. It describes some of the actions regulators take, such as setting minimum fees and terms for network usage, as well as what they cannot do like reduce taxes. The presentation concludes with examples of how regulators in Eurasia have facilitated cost reductions for operators through actions like reusing numbers and subscriptions for 3G networks.