A new update aims to fix that by bringing a feature available on most word processors to Google Docs. Basically, you can now place an image in front of or behind text while editing a document.

Click "OK." Existing text automatically adjusts for the new settings, and newly entered text is allowed on top of the image. If the picture overpowers the text, continue on to the next step.

Click the text box, and type any characters that you want to serve as your overlay text. Go to the "Mixing" tab and click the plus icon next to "Copy Mode:" so you can see your webcam preview as ...

One of those is adding text that overlays an image or video. Yes, iMovie has titles that you can add, but they are highly restrictive.