'Front-end engineering rocks right now,' says upcoming AJAXWorld speaker Christian Heilmann from Yahoo! 'The era of boring web sites is over and we're all into pushing the envelope, erasing boundaries and getting beyond whatever prevents us from building the next killer web application,' he continues. 'New companies building quick-turnaround web products spring up like mushrooms and many an old convention of web design is cast aside to make way for quick prototyping and agile development.'