Facebook Like button vote method
When selecting the Facebook like button as a vote method keep in mind that this doesn't collect information from the voters, it will simply display the Facebook like button as an alternative method to vote on entries.
With this in mind there are a few key things to know in using this voting method.
The numbers displayed on the contest page are synced with the information we receive from Facebook, in rare cases there may be a delay in updating this information however the values will sync to those fro Facebook.
If any fraud activity was occurring and detected from Facebook, the number displayed would sync to the corrected values.
It is also possible to unlike an entry, if a person had already clicked the like button it would decrease the number of likes for the entry.