I record a lot with Loom and sometimes my personal content or customer info pops into the screen. With Loom you can blur that out while your recording. This video on You Tube shows how. I wish I know this 200 videos ago , but I know now. So im sharing with you. https://www.youtube.com/watch?v=ij3Y4CxHZyc
If you know of a better way let us know! Disclaimer: I dont know this guy I just found his video simple and useful.