Airbnb says it has introduced radical changes to how people use the platform to book a place to stay as part of an effort to adapt to how travel habits have changed during the pandemic. Until now, booking a place to stay on Airbnb started with you specifying the location and time period for a stay. Now, you can look for different categories such as farms, log cabins or castles, as well as entire regions, even without a time commitment. A new so-called Split Stays feature also suggests a combination of two accommodations for one trip, Airbnb announced on Wednesday. Airbnb’s bet for the future o…