since when did clicking ‘like’ become the price of beginning a conversation?

I got a press release from Lemsip's digital agency the other day, rather belatedly letting me know about their ‘It’s a Man’s Flu’ facebook campaign.  I dutifully headed over there to have a look…but you couldn’t have a play with it unless you ‘liked’ the page first It’s not just Lemsip, they’re all at it.  … Continue reading since when did clicking ‘like’ become the price of beginning a conversation?