Twitter is the best education PD, Period! And it's free! - South Euclid, OH, United Sta... - 4 views
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John Evans on 07 Nov 12"Since I was wake at 5 AM on a Saturday (don't ask), I figured it was a good time to update my Personal Learning Network on Twitter. For years, I've been saying Twitter is the best free professional development tool available; I even teach an online course at two colleges on the subject."