Kathy:
Thanks too for the personal emails covering this subject.
Of course I have no problem with my photos posted to Smugmug because I wait to get home to do that and they are all large size.
Since I now understand the situation, I am at ease. I have been working on a Blog and I believe it is going to reduce number of pixels once I upload photos to the cloud, so am sure they won't be any benefit copy-wise for anyone interested in a particular photo. Nothing adverse happens to the originals fortunately.
Now, on to the next challenge ;)
Cheers! Ray