Mumbai, Oct. 15 -- Saif Ali Khan has finally arrived on Instagram, and if his first few moves on the platform are anything to go by, he has understood the assignment. First, he has been trending for following just one person and that's his wife Kareena Kapoor Khan. Then, he found himself in a playful exchange with son Ibrahim Ali Khan. Not a bad start for someone who has long preferred to keep social media at arm's length.

Saif's debut post offered a peek into the Pataudi Library. But it was the comments section that delivered the family entertainment. Ibrahim dropped by with a question for his father: "Is this you abba no na?" Saif could have simply confirmed his identity. Instead, he decided to take a trip back to May 2008, replying, "...