Twitter: Let me introduce the Twitter News stream.
Facebook: Good idea. Let me also do something like that.

Facebook: The Like button is a smashing success.
Twitter: OK you can Favourite something too.

Twitter: You just can’t beat my ReTweet concept.
Facebook: OK let me introduce Share.

Facebook: You can post photos, now that’s exclusive to me.
Twitter: OK, you can post photos too.

Facebook: Well I have groups.
Twitter: OK, I have lists.

Twitter: My Followers concept is unique.
Facebook: Or so you think!

Twitter: My hashtags are unique.
Facebook: Or so you think!

So is it TweetBook or FBWitter?

And will the two merge one of these days?

These versions by Sunil Rajguru