As Gmail turns 20 on April 1, a look at its impact on online communication and its future as other messaging apps have come to dominate how we communicate (Victoria Song/The Verge)

Victoria Song / The Verge:
As Gmail turns 20 on April 1, a look at its impact on online communication and its future as other messaging apps have come to dominate how we communicate  —  Gmail revolutionized email with fast search and a whole gigabyte of storage.  But where's it headed next?