Technology changes. Needs change. The best educational technology stays nimble.
nim·ble adjective \ˈnim-bəl\
: able to move quickly, easily, and lightly
: able to learn and understand things quickly and easily

Full Definition of NIMBLE
1:  quick and light in motion :  agile <nimble fingers>
2     a :  marked by quick, alert, clever conception, comprehension, or resourcefulness <a nimble mind>
       b :  responsive, sensitive <a nimble listener>

Nimble. (n.d.). Retrieved from http://www.merriam-webster.com/dictionary/nimble