Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture the tweeter's mental state.
Tweet: Sorry to burst your bubble but it isn't that century anymore. Welcome to the 21st century.
This tweet contains emotions: 
anticipation, optimism