Smartphones are mobile phones that have computer-like capabilities. They have evolved tremendously over time from thick, heavy phones with limited features to thin devices with powerful processors and many applications. Smartphone adoption has become nearly universal as technology advancement is necessary to not fall behind in life and work. Popular smartphone manufacturers include Apple, Samsung, and Nokia, while other brands include Huawei, Sony Ericsson, and Blackberry. Today's smartphones are so ubiquitous that even babies use them extensively, with educational apps enhancing creative learning. Future innovations will include flexible display phones and continued integration of telecommunications and technology advances.