For survey control, high-accuracy transit-level work (from base lines established by mountaintop triangulation) has generally been adequate; long tunnels from opposite sides of the mountain commonly meet with an error of one foot or less.
But the trust Facebook tested with this lapse is a tenuous one, and further errors of this scale may not meet with this type of disappointed acquiescence.
At times the sites were only sporadically available, and some attempts to log into banking accounts were met with an error message.
Some consumers said they were met with an error message in the early morning when trying to visit the Web site, which seemed to be overwhelmed with traffic and limited by apparent programming issues.
Attempts to view the video Thursday morning on the official YouTube page of "Sesame Street" were met with an error message saying the video had been "removed by the user".
However, dark web users who tried to download the folder claiming to be Mr Biderman's email archive were met with an error message informing them the file was corrupt and could not be opened - a message seen and then widely reported on social media.
Users now attempting to access maplechange.com are met with a timeout error.
Demand for the phone caused problems on Apple's website and several of the wireless carriers' sites, as many users were met with error messages when they attempted to pre-order the new iPhone.
However, it's not without it's caveats: it only takes the current URL and sends it to your phone, this means that if you're on a site that has form data or an indirect URL, you will probably be met with a different (error) page.
When going to share the story to their news feed, some users, including members of the staff here at TechCrunch who were able to replicate the bug, were met with the following error message which prevented them from sharing the story.
People trying to sign up on the site have been met with error messages, and President Barack Obama's administration continues to maintain the website will be functional for most people by the end of this month.
