| 21. | The main trade-offs are performance versus portability and cost.
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| 22. | Mobile number portability between cellular providers was introduced in late 2007.
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| 23. | This means much greater speed and better portability to other machines.
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| 24. | Grindr says this was done to reduce spam and improve portability.
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| 25. | :There are several variables, such as price and portability.
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| 26. | The portability of it comes from the low consumption of power.
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| 27. | Secondly, the Internet allows for portability and accessibility of information.
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| 28. | Portability is a critical feature of the bullet-shooting crossbow.
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| 29. | They like the portability, and they like the control.
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| 30. | This issue of number portability is considered an essential prerequisite to competition.
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