Dark Lords, Dungeon Bats and a Dunderhead

After the war, muggle technology is brought into the Wizarding World and used more frequently. Harry becomes reclusive and Hermione tries to help by setting up an account for him on an online Wizard Dating Site. Unknown to Harry, some of the people he talks to and create an online bond with wanted to kill him at one point in time at least. Triad, established relationships, etc