Uday M. Shankar gave a presentation on prototyping user experiences at the Adobe DevSummit 2009 in Hyderabad, India. He has 10 years of experience in UI/UX and currently works as a Principal Engineer in prototyping at Yahoo! R&D in Bangalore. The presentation covered various prototyping tools and techniques, emphasizing that prototyping is an important part of the design process to explore designs, validate concepts with users, and communicate designs to stakeholders. Shankar demonstrated prototyping with tools like Flash Catalyst and encouraged the use of prototyping to evaluate multiple design options.