Task: Analyze the tweet's sentiment and assign it to either 'neutral or no emotion' or one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: IDC predicts that by 2020 the term cloud will no longer be used...'\n\nIT Managers and Administrators everywhere will rejoice.
This tweet contains emotions: 
joy, optimism