Social proof is the ultimate tactic for easing the minds of worried customers

Slogans are the perfect example. Humans have limited space for memory, and often getting your company message across in one sentence can be a tricky task. At FedEx, they managed to achieve this in nine words. FedEx used clustering to get their important information to their customers in one sentence.
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Flo:
Why this guy disappeared? please answer. 10pt? :))?
(13 December 2016)

Amy:
Which impression can you do better?
(13 December 2016)

Antonetta:
What's my chances of being pregnant?:)?
(13 December 2016)

Antonetta:
So what are my chances of being pregnant?
(13 December 2016)

Antonetta:
Obviously he ejaculated inside of me.
(13 December 2016)

Antonetta:
My husband and me reached climax at the same time.
(13 December 2016)

Patience:
I would catch her staring a lot and she would just look at me like she saw a ghost with her mouth open and dreadfully nervous.
(13 December 2016)

Elene:
My 6th grade daughter still doesn't know her multiplication table?
(13 December 2016)

Elene:
I know she will suffer in the future.
(13 December 2016)

Elene:
I can't think of anything else to help her because she whines and complains when I even try to help.
(13 December 2016)