Analyze the following tweet to determine the level of joy expressed. The levels are: 0: no joy can be inferred, 1: low amount of joy can be inferred, 2: moderate amount of joy can be inferred, 3: high amount of joy can be inferred.
Tweet: 'Best customer, ... We are pleased to inform you that the order has been sent today.' #butterflies #excitement #technojoy #music ~ OP-1 &lt;3