robus
Lowcountry Low Roller
Or an online game log, that you can then remind players to read a day or two before each session to both get themselves in the mood and remind themselves what's going on. (of course, the old saying about leading a horse to water comes to mind...but that's on the players if they don't read the log)
That said, even then it's almost invariably true that in the rare instances where 2 sessions of the same game get run on back to back nights the second session is way better than the first.
Lanefan
The beauty of the DM recap is that it leads directly into describing the current situation and asking the players what they want to do...