Privacy Engineering & Philosophy

The Cost of Getting Noticed: Technology, Memory, and the Ethics of Forgetting

Published Jan 2026 • 12 min read • By Charu Bigamudra

In a digitally enabled society, forgetting is an exception rather than the norm. Unlike human memory, which naturally erodes, digital memories are set to persist indefinitely. A server only forgets if instructed; an algorithm "remembers" its history unless retrained.

Case 1: The Mugshot That Won’t Go Away

SEO techniques and private databases allow arrest records to persist online even after an individual is found not guilty. While the data is technically "accurate," it creates a permanent system of damage, ranking algorithms rewarding clicks long after the legal record has been wiped.

Case 2: Predictive Systems and Juvenile Data

Machine learning models often retain statistical data from juvenile police contacts, even when those records are "sealed" by courts. Because retraining a model is computationally expensive, "ethical deletion" is often skipped, causing lifelong consequences for individuals based on their digital past.

Case 3: The Permanent Social Media Past

Deleting a post rarely results in total erasure. Content persists in backups, interactions by others, and as training features in recommendation algorithms. The individual may delete the message, but the machine continues to categorize the user based on that data.

Case 4: The Right to be Forgotten

“Delisting is not deletion — it is concealment.”

While the EU grants a legal right to request removal, technical limitations mean content is often simply hidden in specific geographies while remaining indexed and live elsewhere on the web.

The Ethical Divide

Most digital systems were built to accumulate data, not destroy it. Digital infrastructures must incorporate mechanisms for contextual decay and expiration. Forgetting must become an intentional design choice in a world where remembering is done automatically by machines.