Package tour market, which is now dominated by a few large tour operators. The major operators are Thomson Holidays and First Choice part of TUI AG and Thomas Cook AG. Under these umbrella brands are different holiday operators catering to different markets, such as Club 18-30 or traveleze. Budget airlines have also created their own package holiday divisions such as Jet2 Holidays or Japan Airlines's J-Pack special. The trend for package holiday bookings saw a comeback in 2009, as customers sought greater financial security in the wake of a number of holiday and flight companies going bust, and as the hidden costs
Package on package Package on package Package on package (PoP) is an integrated circuit packaging method to combine vertically discrete logic and memory ball grid array (BGA) packages. Two or more packages are installed atop each other, i.e. stacked, with a standard interface to route signals between them. This allows higher component density in devices, such as mobile phones, personal digital assistants (PDA), and digital cameras. Two widely used configurations exist for PoP: During PCB assembly, the bottom package of a PoP stack is placed directly on the PCB, and the other package(s) of the stack are stacked on top. The packages of