It isn't an accurate representation of the entire population in terms of age or location.
CNN: Tracking the flu with technology and Twitter
Posts which could identify the teens' age or location should only appear in searches by friends and "friends of friends" in the same age group.
BBC: Facebook social graph search results limited for teens
"Digital rights are important for everyone, regardless of age, background or location, " said Ms Charman.
BBC: NEWS | Technology | UK digital rights group sets up
Holocaust education should recognize no boundaries in terms of curricular subject, location or the age of the learners group.
UNESCO: New Zealand National Commission for
You won't know what the local facilities are like, or even what age-group tends to favour the location.
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