sudo add-apt-repository ppa:teemperor/elementary-expansion
sudo apt-get update
sudo apt-get install lightread
NOTE: If you already have lightread installed on your system, uninstall it first (sudo apt-get purge lightread) and remove the ppa (sudo ppa-purge ppa:cooperjona/lightread)sudo apt-get update
sudo apt-get install lightread
We still hope Lightread can live on in spite of Google's announcement.