In an age of cloud storage and instant backups, it's tempting to believe our memories—photos, documents, conversations—are safe and permanent. Yet digital memory is surprisingly ＿＿（36）＿＿ . Servers can crash, file formats become outdated, and platforms may shut down with little or no notice. Unlike printed photographs or handwritten letters, digital records can ＿＿（37）＿＿ silently or be buried in the clutter of poorly organized cloud folders. The overwhelming volume of trivial files creates a kind of digital noise, drowning out what once felt ＿＿（38）＿＿ . Even worse, our reliance on technology to remember for us may weaken our own sense of memory and identity. Few people print photos, write journals, or preserve their stories in tangible forms. This shift ＿＿（39）＿＿ important cultural questions about what we choose to remember and how we preserve it. Digital preservation is not merely a technical unresolved issue—it is a matter of ＿＿（40）＿＿ . Future generations may not inherit photo albums or handwritten notes, but a trail of disappearing data.