PowerPoint播放時, 滑鼠移動到簡報左下角有好用功能
------------------------------------------------
前一頁, 下一頁
臨時畫筆與螢光筆(畫筆功能=>螢光筆或畫筆)
虛擬雷射筆(畫筆功能=>雷射筆)
用放大鏡局部放大(放大鏡)
暫時隱藏投影片(更多功能=> 螢幕變黑)
切換至投影片列表 : 方便選任一頁
 (如果記得第幾頁, 直接敲頁碼數值後按Enter)


How to align multiple objects:
   Select all objects by holding down "Shift" and clicking on all of them.
   Select "Arrange" in the top options bar, then choose "Align or Distribute."
   Choose the type of alignment you'd like.



https://blog.hubspot.com/marketing/easy-powerpoint-design-tricks-ht

20 Ways to Improve Your Presentation Skills

TED教你「馬上用得到」的10個簡報製作技巧