Investing in modern Pokémon cards can be worth it for some collectors and investors. The value of certain cards can appreciate over time, especially if they are rare or in high demand. However, it is important to research and understand the market trends before making any investments. Additionally, investing in Pokémon cards should be done out of passion for the hobby rather than solely for financial gain. **

The setting of Modern Warfare 2 may not be saving due to a few potential reasons. One possibility is that there may be a bug or glitch in the game that is preventing the settings from being saved properly. Another reason could be that the game files are corrupted, which can prevent the settings from being saved. Additionally, if the game is not being run with the appropriate administrative privileges, it may not have the necessary permissions to save the settings. It is also possible that the game's save data is being stored in a location that is not accessible or is being overwritten by other data. **

Yes, a modern energy-saving light bulb can generally be installed in any old lamp as long as the lamp is compatible with the type of bulb being used. Most energy-saving bulbs come in standard sizes such as screw or bayonet fittings, so they can be easily installed in most lamps. However, it's important to check the wattage and size of the bulb to ensure it fits properly and does not exceed the lamp's recommended specifications. **