The gold standard for obtaining consented

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Examples: Upazila-level trade fairs (e.g., in Sherpur Sadar), village-specific agricultural expos, local community gatherings, town hall meetings, school events, religious gatherings.
Data Potential: People attending these events are often local and interested in area-specific services.
Ethical Sourcing:
Direct Opt-In Forms: , area-specific phone data. Set up a booth, offer a raffle or small gambling data france incentive (e.g., a free sample, a discount coupon), and have participants fill out a physical form that explicitly asks for their phone number and consent to receive marketing messages for specific types of offers from your business, for their area.
Partnerships with Local Bodies: Collaborate with local Union Parishads, agricultural extension offices, or community clubs for events where you can legitimately collect opt-in data. For instance, partnering with the local Krishok Samity (Farmer's Association) in a Sherpur village.
Existing Customer Referrals & Loyalty Programs (Consented Expansion):

Data Potential: Your existing local customers can refer friends or family in their area.
Ethical Sourcing:
Referral Programs: Incentivize existing customers to provide contact details of individuals they know in their area who might be interested, with a clear understanding that the referred person will be contacted once and offered an opt-out.
Loyalty Programs: During loyalty program sign-up, ask customers for their location and optional consent to receive area-specific offers.
II. DPDPA 2023: The Unyielding Foundation for Phone Data
Bangladesh's Digital Personal Data Protection Act (DPDPA) 2023 is a robust framework governing the collection, processing, and use of personal data. For phone numbers (which are clearly personal data), compliance is non-negotiable.

Consent (Free, Specific, Informed, Unambiguous):