To encourage mingling
Host a party
To encourage mingling
put out less chairs than there are people. People can not mingle if they are sitting.
Set the mood
Choose a theme
Pick a place
Always remember to add non alcoholic drinks to your menu
Enlist help
Spread the word
Plan more games and activities than you anticipate playing
Warnings
Play background music to liven up the atmosphere
Keep the valuables away
During the party be sure you get a chance to talk to everyone there
Give yourself plenty of time More ...
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