I'll try to keep as constructive as I can, and i do hope that this will be forwarded to the marketing team, or whoever their bosses are (however slight that chance might be), about the various bad decisions that the marketing team made, from my perspective as a progressing player.
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Not offering what is wanted (Non Permanent IS items): There are many items that have been asked for dozens of times, such as 30% speed mount potions, cactus pet, permanent ABL's, etc. that are not being offered. Some of which have never been offered, or were offered more than half a year ago. I just can't see how it would benefit Frogster to not offer items that players want to buy, especially items that are not permanently in the Item Shop. Diamonds that would otherwise have been spent will not be spent. Also sends a clear "we don't listen to your feedback" message.
- Ruby Shop: I don't see how tripleing the price of almost everything in the ruby shop, and making all sale items give 0 rubies will do anything except anger the players. It won't make players spend more diamonds - since rubies cannot be bought with diamonds, many ruby shop items cannot be bought with diamonds, and a large portion of the items that the players need from the IS are only available during sales (Runes, +12/+16 jewels, ABL's, etc.), or are only offered at a reasonable price during sales. No extra diamonds spent, much more angry customers.
- Lack of Double Diamonds: While the new IS changes seemed a good idea, it soon turned into a whole pile of disappointment. "This game is too expensive" is suggested everywhere back in Ch IV, and in response, the sales team replaces the 110% diamond sales with the 50% diamond sales? I'm not sure which part of "This game is too expensive" that they don't understand. While the price of some items have been adjusted (ex. Puri packs) in accordance, many others, like Random Extractors, ABL's, are still the same price. Same Diamond price + less diamonds for the same amount of money = More expensive items.
From what I've seen, a lot of people will simplely wait months for that occational double diamond. $$ that would otherwise have been spent in between will no longer be spent. This also causes lack of diamond sellers in game. The extra diamonds that would have been spent by f2p will also be unspent now. Inflation triggered by too much gold chasing too few diamonds will also drive players away = loss of potential customers.
-Perfect Jewel Drought: Starving everyone of perfect jewels is just...

Its almost impossible to get to +6 w/o perfects, annoying to get to +12 w/o perfects, and very expensive to get to +16 w/o perfects. Only few people have the 200 dollars per month to dump into this game to afford all the jewels failing. People who are already at endgame are looking at cleaning out old gear and restatting = no +jewel spent, no rune drillers spent.
For people like me who aren't, I'll just try to get by with +5 gear instead of +11 gear. If I can't get +16 for my necklace and rings, well, I'll just keep using my super outdated old one then. No puri/+jewel/rune drillers/golden hammers spent. Horray.
-REALLY bad Sales: I'll bring up the tier 3 runes for 299 rubies up again. Sales like these just really show the marketing team's COMPLETE absense of understanding of this game. T3 runes are junk. 299 rubies is almost an impossible amount of rubies to get now. If there were grocery 2 stores side by side, in 1 store, the first thing you see if them selling old, worthless junk for $300 each, and the other offering a nice deal on milk and eggs,which store that you'll enter? The one selling worthless junk sends a clear "No nice deals here" message. Not something that you want your customers to think.
-Poor Sale Timing: I've seen lots of sales that are timed really poorly. It makes sense to sell daily resets during double XP, because people will need lots of daily resets during those periods of times. But more often than not, daily resets are not offered during double XP, and instead are offered when people complain able the lack of double XP.
Megaphones being offered on sale more often than normal back when somebody was getting illegal access to many people's accounts, and using the victim's diamonds to buy Megaphones and spam goldselling messages was simplely bad timing.
Another example is back when many people's storage chests were going missing, and they were not given their chests and its contents back at that time. Its was causing an uproar, and the marketing team starts giving dozens of sales on storage chests in the IS. lol.
-Lack of Options for Everyone: Rune sales is a good example of this. X runes cost $7 each during double diamonds. Not everyone can afford this huge cost. While VIII runes are not what the people that can afford X rune needs. Having seperate sales for the 2 just doesn't make sense, since neither are available permanently in the Item Shop. If you have only X runes, you'll miss out on all the customers that can only afford VIII, while if you have only VIII on sale, you'll miss out on all the people who can afford X runes. Both should be on the same sale so that everyone can get what they need.
I think Frogster really needs to take marketing more seriously. The bar needs to be raised for the requirements for this job, because hiring people that often seems to have no clue about what they are doing will really hurt your profits.