Whenever it comes to start social media app development, instant messaging cannot be forgotten. 

In the age of hyperconnectivity, instant messaging apps have become the go-to communication tool, effortlessly weaving themselves into the fabric of our daily lives. Their meteoric rise to "pure hit" status can be attributed to a potent cocktail of factors:

1. Accessibility and Convenience: Gone are the days of fumbling with phone numbers or navigating clunky email threads. Instant messaging apps offer frictionless communication, readily accessible from any corner of the globe with just a tap or swipe. This ease of use fosters constant connection, blurring the lines between personal and professional interactions.
2. Rich Feature Sets: These apps are no longer one-dimensional chatrooms. They've morphed into multimedia hubs, allowing users to share photos, videos, documents, and even their location in real-time. This dynamic communication style keeps conversations engaging and fosters a sense of shared experience.
3. Group Dynamics and Communities: From family chats to professional collaborations, instant messaging apps excel at bringing people together. Group features enable seamless communication within larger circles, fostering a sense of community and belonging. This is particularly beneficial for businesses, allowing them to create dedicated customer support channels or employee communication groups.
4. The Power of Personalization: These apps are adept at learning user preferences and tailoring the experience accordingly. From chatbots that answer FAQs to AI-powered recommendations, instant messaging platforms leverage personalization to enhance user engagement and satisfaction.

E-commerce and social media companies are keenly aware of the immense potential that instant messaging apps hold:

• E-commerce: Brands are integrating chatbots within their apps to provide personalized product recommendations, answer customer queries, and even facilitate purchases directly. This direct line of communication builds trust and encourages impulse buys, boosting sales and customer satisfaction. Every ecommerce app development company makes sure that easy integration of ecommerce and social media is possible. 
• Social Media: Platforms are incorporating instant messaging features to encourage private interactions between users, fostering a sense of intimacy and community within the broader social network. This not only increases user engagement but also opens doors for targeted advertising and influencer marketing.

In conclusion, the success of instant messaging apps lies in their ability to bridge the gap between communication and connection. They offer immediacy, convenience, and a plethora of features that cater to our ever-evolving digital needs. E-commerce and social media companies are wise to capitalize on this trend, using instant messaging as a powerful tool to engage users, personalize experiences, and ultimately drive business growth. The future of communication, it seems, lies squarely in the palm of our hands, one tap or swipe away.