Over time, how have the following improved?

Keeping food to last longer 

• https://www.materials.sandvik/en/campaigns/fridge-of-the-future/the-history-of-the-refrigerator/
• http://www.historyofrefrigeration.com/refrigeration-history/timeline-of-refrigerators/
• https://www.timetoast.com/timelines/history-of-the-refrigerator–2

• keeping things frozen 

Communication

• https://kids.britannica.com/kids/article/telephone/353842#
• https://sciencestruck.com/invention-of-telephone
• https://www.bbc.com/timelines/zfyfy4j

Washing clothes

• https://www.timetoast.com/timelines/evolution-of-washing-machines

Entertainment (TV) 

• https://www.timetoast.com/timelines/history-of-the-t-v-b8c4231d-0f3f-409d-8670-03e47eacec1c
• https://www.timetoast.com/timelines/smart-tv

Taking pictures 

• https://photodoto.com/camera-history-timeline/

Cooking hot foods 

• https://www.britannica.com/technology/stove
• https://www.almanac.com/content/brief-history-woodstove

Being able to use light 

• https://www.timetoast.com/timelines/history-of-the-light-bulb
• https://youtu.be/b1lKwZTtzIY
• https://www.pbs.org/video/scitech-now-timeline-light-bulb/

Bathroom facilities

• http://blog.english-heritage.org.uk/?s=top+10+toilets 
• http://www.localhistories.org/toilettime.html
• https://www.sutori.com/story/the-timeline-of-toilets–WxnsahsAzMg396eZqZCCSZ97

Computer

• http://www.softschools.com/timelines/computer_history_timeline/20/
• http://computerhistory.org 
• https://www.livescience.com/20718-computer-history.html