According to the article, Facebook is deeply insecure about the fact that it does not control the mobile operating system which the world is fastmoving to.
Like eliminating bugs from software programs, it takes time to weed the cranks out of the system -- and, in a fast-moving case like Boston, the cranks went viral, as all the false IDs and dead ends indicated.
The D5200 can shoot full-resolution images at up to five frames-per-second to help freeze fastmoving subjects, and quickly acquires focus thanks to the intelligent AF system.
Hoyos' software grabs many partial images and assembles them, allowing the system to process cases perhaps 20 times as fast and lock on a moving target.
Playing fastmoving games over an internet connection poses a number of technical challenges, including latency - the time the remote system takes to execute a command.