In the report, Consumer Retail: COVID$-19\text{'}$s effect on retail continues to shape the industry, the authors discussed the ways in which consumers shopping habits had changed during the COVID $19$ pandemic. Several technologies that improve the in$-$store shopping experience were mentioned. Which of the following were discussed?

Question $20$ options:

Increased number of sales staff to improve in$-$store experience.

Use of contactless technology to increase sense of safety.

Widespread use of buy online$-$pickup in store $($BOPIS$)$

Partnering with grocery delivery services like Instacart.