In order to comply with privacy regulations, you can set a data retention period in Google Analytics. By default, data that can identify unique individuals, 1. noun Liking a Tweet indicates that you appreciate it. You can find all of your likes by clicking or tapping the Likes tab on your profile. 2. verb Tap the heart icon to like a Tweet and the author will see that you appreciate it.... Always-R Glossary Client ID, will be removed after 26 months. The data retention period can be set to 14, 26, 38, or 50 months, and you also have the option of keeping the data by selecting ‘do not expire automatically’. Aggregated data will continue to be available in your reports even after the data retention period.