As a business traveller, the digital key-lock system was a much appreciated convenience. The apartment is in an excellent location, right next to great cafes, restaurants, the lively Naschmarkt, public transportation and a mere 20 minute walk to Inner Vienna.
While Internet access is often reliable, it is prone to sudden drop outs. With Michael's immediate response, a quick reset is all it took to get it going again.
There were some other minor issues (no toilet paper, a non-functioning dryer) but Michael was very prompt in alleviating or addressing these issues.