Here is an infographic produced by Lab 42 on What Social Media Users Feel About Liking Brands on Facebook. They polled 1000 users to get the results they show in the infographic below.
Key Take Aways:
75% of users feel more connected to a brand on Facebook
69% liked a brand on Facebook because a friend did
46% liked a brand, but had no intention to buy from them - Why? They wanted a free item, like but can't afford the products, or liked a brand to help out a friend
There are some great pieces to this infographic. Definitely take a look at it and think about it in relation to your social media mix.