anderscj · @anderscj
15th May 2011 from Twittelator Pro
"It is plausible to interpret most major trends as a gradual and more or less linear evolution, not as a series of fitful bursts or cycling repetitions." Tyack & Cuban
15th May 2011 from Twittelator Pro
"It is plausible to interpret most major trends as a gradual and more or less linear evolution, not as a series of fitful bursts or cycling repetitions." Tyack & Cuban