- "There are estimated to be over 3.3 billion cell phones by 2010" (globally)
- "Cell phone usage (over 350 million in China alone) outstrips television and internet usage in many parts of the world save radio"
In India Rashmi Kathuria has blogged about how she has been using cell phones with her mathematics students. She uses here Nokia phone to create mathematic video tutorials (example here). Additionally, she has her students taking pictures with their cell phones to take pictures of mathematical steps; here are a couple examples from her blog
2) Patonic Solids
Converge Magazine had an article about a ICT technology specialist Jonathan Furness using cell phone cameras to document lab experiments (see his mobile blog here). Furness also documents other daily educational activities on his mobile blog via cell phone.