DSHR's Blog

I'm David Rosenthal, and this is a place to discuss the work I'm doing in Digital Preservation.

Thursday, September 17, 2026

Downgrades

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10-year Treasury yield Recently, interest rates for government debt have been rising worldwide. As I write the yield of the 10-year US trea...
Tuesday, September 8, 2026

EatingThe Seed Corn (Updated)

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The Village Idiom explains: In the idiom "eat one's seed corn", the phrase refers to consuming or disposing of valuable res...
6 comments:
Tuesday, September 1, 2026

Small Is Beautiful (Updated 2x)

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Estimates are that, to justify the AI platforms' enormous capex plans, by 2030 they need to be generating around $2T/year in revenue . I...
1 comment:
Tuesday, August 25, 2026

Not A Bug But A Feature

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Source Datafinnovation are out with more impressive research described in a blog post entitled Losing The Blacklisting Race and a paper en...
Tuesday, August 18, 2026

2026 Optical Media Durability Update

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Eight years ago I posted Optical Media Durability and discovered: Surprisingly, I'm getting good data from CD-Rs more than 14 years o...
Tuesday, August 11, 2026

More On Robotaxis

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Cybercab Liam Denning reports on Tesla's quarterly results flop in Someone Call Tesla a Robotaxi, or SpaceX, Quick . He notes that: T...
1 comment:
Thursday, July 30, 2026

Microsoft's Project Silica

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2021 Media Shipments Exabytes Revenue $/GB Flash 598 $68.6B $0.115 Hard Disk 1418 $28.0B $0.020 LTO Tape 59.2 $0.51B $0...
1 comment:
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