Context
       
 
Personal
"They have mouths, but they speak not; eyes have they, but they see not."
Lev Vygotsky's Zone of Proximal Development

Social
Actual
     past: Geni
     present
: Department of English
     future : Cornell New Student Reading Project
Virtual : Goodreads

Physical
Accessibility: WAVE
Mobility: Biology field work apps

Temporal
Just in Time: Weather Underground (with historical data)
Just in Case: Portuguese conjugation tables (v. translate.google.com)
Recency: Arithmetic game
Frequency: A Word A Day
Persistence: Animal Diversity Web