Answer:
A varying infrastructure.
Explanation:
The competitive pressure it creates for multinational companies in the industry is one of difference in infrastructure because different technical standards are found in different parts of the world.
For instance, A technical standard known as Global Systems for Mobile (GSM) is common in Europe, and an alternative standard, Code Division Multiple Access (CDMA), is more common in the United States and parts of Asia.
Consequently, equipment designed for GSM will not work on a CDMA network and vice versa as a result of varying infrastructure, so companies would be innovative in order to improve on their products.
Manually cleaning data is done manually which makes it challenging. This make it prone to mistakes.
it mean for some people that have technology like a computer and there are some who don't have access to technology like phones, and tv's
Help each other because if the other sister is older she should have more experience and knowledge