Challenge encountered

Which location-sharing service offers items for users as a gaming component and also allows them to collectively link their check-ins to publish a trip? a. whrrl b. buzzd c. foursquare (this option is wrong i already tried) d. gowalla for plato

What type of slide show is a dynamic and eye-catching way to familiarize potential customers with what your company has to offer? a. ole b. photo album c. brochure d. office clipboard

Idon’t understand the double8 coding problem. it is java