a) GlowPure Naturals, a skincare brand, introduced its new range of herbal face creams. To reach a large audience, the company launched an advertising campaign titled Pure Skin, Pure Confidence. The ads were telecasted on national TV channels, published in beauty magazines, and streamed on YouTube. The brand catchy jingle and celebrity endorsement helped it gain quick recognition and establish itself as a trusted skincare name across India. b) FitSip Pvt. Ltd., a new brand of protein shakes, wanted to promote its products among gym-goers and health-conscious youth. Instead of running television ads, the company conducted free sampling events at gyms and fitness clubs across metro cities. They offered discount vouchers for first-time buyers and launched a Share Your Fitness Story contest on Instagram. Identify the promotional approach used by GlowPure Natural and FitSip Pvt. Ltd. and explain with examples.