An opinion piece on the rapid evolution of web technologies driven by competition between major browser vendors. Discusses how Google, Microsoft, Mozilla, and Opera compete to implement HTML5, CSS3, and JavaScript optimizations faster, pushing web development forward and benefiting users with richer web experiences.

An introduction to Mozilla's BrowserID authentication service which lets users sign in with email credentials managed by Mozilla, avoiding storing user passwords. Includes Sinatra example with HAML templates and JavaScript integration using navigator.id.get(), with full code available on GitHub.