Sabre CEO Tom Klein says many of the top 20 hotel chains use outdated, in-house technology, and they are all talking to vendors or otherwise exploring ways to change their systems because they need to interact with guests in new ways. Among those changes, Marriott implemented mobile check-ins for rewards program members, and Four Seasons is scurrying to get more digitally adept, for example. Sabre is actively seeking to win and expand its business with these chains, including Wyndham Worldwide, where about 5,000 of its properties use the Sabre central reservations systems, said Klein in a presentation May 30 at the Sanford C. Bernstein Thirtieth Annual Strategic Decisions Conference 2014. Get the full story at Skift