Few days ago, while feeding Joian, I found out that he could clap :P. Then today, when I was leaving my MIL's place for work, my MIL asked him to bye bye, he waved at me :) Also on New Year's Eve, he was able to recognise what is 'moo moo' (moo moo is my small pillow). Whenever I ask him 'Where is moo moo?', he would look at the pillow and move towards it :)