We remember things for a longer period if we try to recall it once in a while.
We tend to forget things that happened just before we have to perform something.
We tend to remember things that have more depth of mental processing.
We recall pictures better than words.
Absent mindedness is a mental state where people are not focused or might be forgetful.
We tend to forget something that we looked up online.
We remember things better if we are affected by the information.
There are times when we can't recall a word from memory - even though we think that we are close to remembering it.