注意：此部分試題請在答題卡2上作答。
47. When net users log onto the social network Twitter, they can find out __________ around them.
48. People's web experience is more and more linked with who they are as well as ________ no matter how little the influence of the location-based services is.
49. Nowadays people are thinking locally about the use of the global network and providing ________ for the Internet.
50. What information can the disabled obtain from location-based services according to Bharat Bedi?
51. Unlike the past. according to Bharat Bedi, location-based services today become a trend for people to share their location and search for _______.