Tsu & Ello: Do Marketers Need to Pay Attention to These Upstart Networks? If you missed it yesterday, here's my latest column for +Marketing Land in which I give my take on the following: ☞ The Unique Value Proposition of each network ☞ The long term prospects for each ☞ What (if any) opportunities there are for businesses and marketers on each... - https://picasaweb.google.com/1070220...