Jim Groom writes anoth­er excel­lent piece in his blog, Bavat­ues­days.  In the post he makes the very impor­tant point that edutech poe­ple need to be aware, con­stant­ly aware, of the fact that tech­nol­o­gy, espe­cial­ly edu­ca­tion­al tech­nol­o­gy prod­ucts like Black­board, are bound up with cor­po­rate inter­ests that are not our own.  That tech­nol­o­gy does not always…