Tripit is about over for me. In addition to screwing up the Hilton and Viator entries, it also bounced my Austrian Train OBB reservation to a "note".
All of these are European items and all are supported according to the web site.
When I submit a problem report, the stock reply is they must have changed the format. Amazing that three totally separate companies ALL changed their format at the same time. I waved the BS flag and still no fix.
Cheers