useful technique for ppt

1.“B”  screen turns to black, B again, return to normal

2.right click,show->play

3.effect of magnifier:

insert->object->Microsoft powerpoint slide

insert one pic in that slide and change size of pic to size of slide

back to original slide, adjust the size of inserted slide

4.choose multiple slides and generate summary,alt+shift+s

5. goto page 5: 5<enter>

6.go to page 1: press <- and -> at the same time for more than 2 seconds

7.picture can be used as bullets