It is the name of about thirty cities, mainly in Asia. It is also an acronym, but has no relevant developments in Spanish. In the lousy and poorly written query 'que es sili' there is a definition that I could not confirm but it may be complementary to this (no, the speed-read espam no, that of Anonymous).
SILI Acronym for Integral Intelligent Reading System. Advanced reading method that allows you to read a book or text of 200 pages in 20 minutes, understanding it in its entirety. 2 . Colombian company founded in 2006, which teaches to eliminate bad reading habits and to read in an accelerated way, with 100% comprehension and retention