The technology behind it has gone obsolete and GPU mining which it uses is no longer in vogue . there are many cryptocurrencies performing same functions in a more faster way.
Summary...
Former googler Charlie Lee founded the LTC in 2014 and is by far one of the most undervalued currencies currently though not ambitious enough as most cryptocurrencies
Litecoin is trying to solve its scalability issue as one of the first btc outlets, not in the technical arena.
There are many tokens / coins that Bitcoin and Litecoin appreciate instantly, but up to four times faster.