Some publishers, in particular the more commercial ones, are none too keen on having their content cached elsewhere, although most of their concerns have been dealt with: LOCKSS does not allow libraries to cache journals they have not subscribed to.
But many passwords, such as those for e-mail, remain cached in memory and retrievable while a phone is active as they may need to be sent to a remote server again and again.
The local data were updated and cached on the mobile devices simply to help them figure out their own location.
Judging from an amateurish campaign website that was hastily taken down (but cached here) today, Mr Trammell is most concerned about issues he rubs up against in his day job: college access, student loans and support for students with disabilities and other special needs.
Feedfetcher, meanwhile, relies on information that most web servers provide: how long the retrieved file should be stored, or "cached", before it discarding and retrieving a new copy.
Instead, with the spreadsheet open on one of his machines or one of his colleagues (he's unsure of which), Google automatically examined the cached images each hour to update the document.
The selection is currently being cached in the memory of some mobile devices running the Android operating system, although YouTube intends to expand it to other devices soon.At a deeper level, YouTube is fiddling with the protocols used for sending data.
In Malawi's Chichewa language, which has 10m speakers, "cached pages" became mfutso wa tsamba, or bits of leftover food.
Apple has now promised to upgrade the software in coming weeks to reduce the amount of location data cached in the devices from a year's worth to no more than a week's supply.
Even though they had just had their fill of the first food, they still cached it, presumably because they thought it would be their preferred choice later.
More often than not, video content is "cached" locally with the help of Content Delivery Network (CDN) companies such as Akamai and iBeam.
