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You need to understand that although the internet provides you with all of the information that you may be after, you will still need to make use of your own judgment to decide what would work better for your purpose. You will have to compare the different reviews and recommendations that you get from different sources and decide what would best for you. A lot goes into researching the best steps that you need to be taking for your event planning and hence it makes perfect sense for you to involve others in making important decisions.
Event planning is never the task or duty of any single individual unless it is something extremely private to be celebrated between two individuals. You need to ensure that you go for something that your participants would take delight in. By seeking help from those who know this stuff better, you will basically be improving your chances of making the event extremely memorable.