Uploading your photo at Mylot......Is it safe or not?

This is also a social site like FB or Twitter so I think it's safe for us to plaster our photos below our name and rank.

There certainly are rules about using photos in MyLot. The Photo Guidelines here: http://www.mylot.com/o/photoguidelines.aspx tell you what is acceptable and what is not. Anyone is at liberty to use a real photo of themselves as an avatar and some people do. Others choose not to for various reasons, some of which may involve security. A person may, for example, want to keep his online identity hidden from his real-life friends because he or she may be sharing opinions and secrets which they do not want to be generally known in their day-to-day life offline. It does not usually mean that the person wishes to appear as aomething they are not (though usernames and avatars can, of course, be abused in this way). The word 'avatar' was borrowed from the Sanscrit scriptures where it is used in the sense of the embodiment or appearance of a god in human (or other) form. In Internet terms it means the use of any image, not necessarily a photo, to represent a person. Avatars very often suggest some desirable quality which the person wishes to be associated with. In modern (computer) usage, the term seems to have first appeared in a novel, "Snowcrash" by Neal Stevenson in 1992.