Juglans neotropica being ripe. The sap of the fruit husk is a strong dye and can stain hands and clothing. The nut inside is within a much harder and more difficult to crack shell than Persian walnuts, but the meat inside is comparable in flavour, perhaps a bit sweeter. "Tocte", the fruit of the Andean walnut, are often sold in the farmer's markets of Ecuador. The process of husk removal often stains the shells of the nuts black. Like all walnuts, unripe fruit husks produce a strong yellow dye that does not require mordant; ripe fruits produce a strong red to brown
Two-sided market that the greater the multihoming costs, the greater is the tendency toward market concentration. Higher multihoming costs reduce user willingness to maintain affiliation with competing networks providing similar services. Attracted by the prospects of large margins, platforms can try to compete to be the winner-take-all in two-sided markets with strong network effects. That means that one platform serves the mature networked market. Examples of the standards battles include VHS vs Betamax, Microsoft vs Netscape and the DVD market. Not all two-sided markets with strong positive network effects are optimially supplied by a single platform. Markets must have high multi-homing costs