Eg a 10% decrease a year, means that storing forever costs approximately ten times the first year's storage cost. https://en.wikipedia.org/wiki/Geometric_series#Sum has the math.
Of course, you are putting an exponential decrease into the present value calculation.
To give a truly non-exponential example: summing up 1/n^2 also only gives you a finite value.
Their audited financials:
- Cash in hand: $100m, Annual expenses: $91m - https://upload.wikimedia.org/wikipedia/foundation/3/31/Wikim...
Internet archive:
- Net assets: $2m, Functional expenses: $18m - https://projects.propublica.org/nonprofits/organizations/943...
Snapchat spends 1,649m in operating expenses. Wikimedia 46m in salaries.
Now, are these dollars invested paying off for our society? That's for all of us to decide.
- https://www.nasdaq.com/market-activity/stocks/snap/financial..., https://upload.wikimedia.org/wikipedia/foundation/3/31/Wikim...
The Internet Archive, on the other hand, is drowning in data and pinching pennies. Still, they're doing okay, and the constant decrease in per-gigabyte HDD costs are allowing them to continue for the time being. They absolutely need and deserve your donations, however.
If HDD price/gig stopped going down, however, they might be in a lot of trouble.