雖然貴了點,但是 iPad 可以變成一個較大台的按按按回饋系統,
"3. Companies that produce Student Response Systems (SRS) are sure to realize the potential of the iPad. In fact, Turning Technologies has already created iPhone and iTouch versions of its software as have eInstruction. Having an SRS app for the iPad just makes sense. We may even see someone develop an app that bridges the capabilities of the SRS and the SmartBoard systems."
- iPad in Education « TheDigitalClassroom (在「Google 網頁註解」中檢視)