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==History==
Wireless-enabled handheld devices have been used as early as 2004 to facilitate collaborative learning <ref>{{Cite journal |last=Sugimoto |first=Masanori |last2=Hosoi |first2=Kazuhiro |last3=Hashizume |first3=Hiromichi |date=2004-04-25 |title=Caretta: a system for supporting face-to-face collaboration by integrating personal and shared spaces |url=https://doi.org/10.1145/985692.985698 |journal=Proceedings of the SIGCHI Conference on Human Factors in Computing Systems |series=CHI '04 |___location=New York, NY, USA |publisher=Association for Computing Machinery |pages=41–48 |doi=10.1145/985692.985698 |isbn=978-1-58113-702-6}}</ref>. Devices such as PDAs and [[Pocketpc|PocketPC's]] traditionally lack cellular connectivity, but are capable of wireless connectivity. This connectivity enables collaborative learning through software-based, decision-making tools and shared display of learning material.
=== Elementary school learners ===
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