And package tracking is a critical function in many buildings.
"The module that's most visible these days is the front desk event log and package tracking component," Mr. Kestenbaum said.
The company delivered 18.7 million packages on its busiest day of the season, exceeding its forecast, and said requests for online package tracking swelled to 3.3 million in one day from the previous record of one million.
This means creating applications like home banking, package tracking and supply chain management.
Last year alone UPS invested $325 million in new technology for order fulfillment, online package tracking and warehouse and inventory management.
Slice, the shopping and package tracking app acquired by Rakuten earlier this year, has now made an acquisition of its own.
The iPhone app serves as a great complement to this handy service, especially because it provides mobile access to package tracking and push notifications.
The company says Inbox will pop up quick answer cards for queries about addresses, phone numbers, membership numbers, flights, events, bills, package tracking "and more".
I use Deliveries, for instance, the package tracking app by Junecloud that works with a companion desktop app for macOS and syncs your delivery status via iCloud.
They've been used in package tracking applications for some time, and apparently they're hugely popular with mobile phone users in Japan.
