3 ms·

Why link to http://www.scribd.com/vacuum?url=http://courses.csail.mit.edu/6.042/fall10/mcs-ftl.pdf http://www.scribd.com/vacuum?url=http://courses.csail.mit.ed.

Why link to http://www.scribd.com/vacuum?url=http://courses.csail.mit.edu/6.042/fall10/mcs-ftl.pdf http://www.scribd.com/vacuum?url=http://courses.csail.mit.ed... instead of just http://courses.csail.mit.edu/6.042/fall10/mcs-ftl.pdf http://courses.csail.mit.edu/6.042/fall10/mcs-ftl.pdf ?

tjr 16y ago
The PDF link is the main link. The Scribd link is an additional option added automatically by the Hacker News software.