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ecphaff: the instigator
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ecphaff: start
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ecphaff: show and tell
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ecphaff: IMG_0681
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ecphaff: show and tell
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ecphaff: Peter and Iphone
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ecphaff: Coffee break
©
ecphaff: Coffee break
©
ecphaff: Coffee break
©
ecphaff: Coffee break
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ecphaff: discussing knowledge network