The document discusses the use of tablet computers, specifically iPads, to enhance blended learning environments. It describes three modes of blended learning that were used before and after the introduction of tablets: computer-centric, discrete, and integrated. Tablets allow for an integrated mode where technology is used casually and occasionally in regular classrooms. The author conducted research using iPads for activities like creating presentations, playing word games, reading e-books, making mind maps and podcasts. Challenges included managing the devices and ensuring equitable participation.