Its applications range from contact lenses and medical devices to elastomers; it is also present in shampoos (as dimethicone makes hair shiny and slippery), food (antifoaming agent), caulking, lubricants, kinetic sand, and heat-resistant tiles.
An acronym for L ong T erm E volution, LTE is a 4G wireless communications standard developed by the 3rd Generation Partnership Project (3GPP) that's designed to provide up to 10x the speeds of 3G networks for mobile devices such as smartphones, tablets, netbooks, notebooks and wireless hotspots.
1 HOWEVER Verizon Wireless is the only one that has a 4G network that is LTE-only (not the slower HSPA+ standard) and it has the absolute best coverage.  AT&T is the closest runner-up in terms of coverage, while T-Mobile and Sprint fall far behind.