Twitter live data stream visualisation. In computer science, a memory leak occurs when a computer program incorrectly manages memory allocations. A memory leak can diminish the performance of the computer by reducing the amount of available memory. in worst case scenarios, the system will slow down tremendously, an application will fail or the computer may simply stop working altogether. Each tweet consumed by this program is stored in memory but is never freed. Search words: memory, remembered, remember, remembering, lost, lose, losing, forgot, forget, forgotten, forgetting.