Complex sentence: While the strength of these services are that users can broaden their horizon by sharing their knowledge and connect with other people from around the world, these platforms also make it very easy to connect with only a restricted sample of people who holds similar opinions.
Split into simpler sentences: While the strength of these services are that users can broaden their horizon by sharing their knowledge and connect with other people from around the world. These platforms also make it very easy to connect with only a restricted sample of people who holds similar opinions.