A contact adapter for making contact in a force-optimized manner between an electrical load and a printed circuit board includes an electrically conductive contact element and an electrically non-conductive support structure. The electronic programs guides may be passive television program guides, interactive television program guides, andor on-line television program guides. For each block in turn, a compression mode is selected from mode families, where the mode families include an n-color mode family, an interpolated mode family, a raw mode family, a BTC-VQ mode family, a lossless mode family, and a 4\xd74 transform mode family. A support shoulder, rim, or plurality of support shoulders on the outside of the fill funnel form a stable plane atop the tube rim. If a request for bookmarking a content item is made, a bookmark item is created and the created bookmark item is linked to the content item by adding the ID of the created bookmark item to the property information of the content item and recording the ID of the content item to be bookmarked in the created bookmark item.