What are the main challenges faced by small businesses in the digital age? Your response should contain at least 3 placeholders represented by square brackets, such as [address]. The response must have 3 sections. Mark the beginning of each section with SECTION X, such as: SECTION 1. Include keywords [finance, competition, technology] in the response. Answer with at least 150 words. At the end of your response, please explicitly add a postscript starting with P.P.S.
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