Uploading a PPT to Wayground and having the links still clickable: Steps

 1. Prepare PPT; insert links in slides as usual.

2. Upload to Google Drive as a Google Slidedeck. JUST UPLOADING THE PPT won't work for the links. 

3. Go to Wayground; import from Google Drive. 

4. Publish 

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In 'Preview' mode, we can see that the links are clickable. 

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TAKEAWAY: 

- It's OK to start with PPT, which has many functions.