This document summarizes Tasneem Sayeed's lightning talk on Google Glass prototypes, use cases, and learnings. It describes two potential Glass applications - AllergyMeter for checking product allergies and GlassTimator for automatically estimating landscaping jobs. Three Glass prototypes are presented: Mint Glassware using the Mirror API, GlassPay for contactless payments, and GLOffers. Key learnings include a need for simple use cases and leveraging existing web services. Resources provided cover Glass development using the Mirror API, native Android apps, and the upcoming GDK.