### Explanation Check-ins (venues) - for specific networks like Foursquare, Untappd. Check-ins could be mutual, so it's possible to prove link between persons. Usually it's linked with geolocation or addresses. ### Examples {{some links to articles, videos, etc}} ### Types {{ business | technical | behavioural }} ### See also - [[SOFL-4. Maps]] - [[SOFL-5. Reviews]] ### Typical weaknesses - [[SOWEL-2. Producing Social Graph]] - [[SOWEL-3. Creating Content]] - [[SOWEL-5. Exposing The Fact Of Activity]] - [[SOWEL-16. Appearing In Local Sources]] - [[SOWEL-17. Exposing Personal Characteristics]]