To the casual observer, Twitter and Instagram appear to be worlds apart. One is for following what's happening right now. The other is for sharing pictures. But the two social apps share something so essential that it has changed them from friends to foes: For their services to flourish, they both need celebs.
Or, as social networks like to call them, "influential users" -- and the battle for them is critical as both Instagram and Twitter try to turn their popular apps into money-making, ad-filled playgrounds.
How well a person or brand can distribute information and attract … Read more