EWTN radio just broadcast an interview with a young German woman named Uli Henkel who was inspired to create a novel website pertaining to the upcoming conclave. Uli felt that the Holy Spirit was calling all of the Catholic faithful to participate in the conclave through prayer, by spiritually adopting one of the Cardinal fathers who will be voting. While we cannot be physically present, we are all needed to lift up the Church spiritually in a very important way.
The website for "Adopt a Cardinal" is www.adoptacardinal.org Take some time to visit the site and see which cardinal is waiting for your prayers.
P.S. - I just visited the site and have "adopted" Cardinal Giovanni Battista Re. He is the prefect emeritus of the Congregation of Bishops and he is on the older side (78). I have to go read up on him now and I will certainly start praying!