The Athenian expedition led against Macedonia by Archestratos, son of Lykomedes, early in 432 was not diverted from its destination by the revolt of Poteidaia. Archestratos had received additional instructions to enforce the Poteidaia ultimatum if he could, but, this being already impossible, he continued with the real object of his mission, the attack on Perdikkas II of Macedon. The widespread revolt among the Chalkidians had deprived the Athenians of the bases for this attack on which they might have reckoned, (...) and Archestratos had at the outset to make good this loss by recapturing Therme, at the head of the gulf to which it gave its name. Therme, or Serme, had been a tributary member of the Delian League since 450/449:2 it need not necessarily be said that it lay within Macedonia, as Poppo and Bergk inferred from Thucydides 1. 61. 2, but it is at least likely that it lay on the boundary, as it was handed over to Perdikkas under the agreement of 431 .3 However, that the Athenians could include in their Empire a city within Macedonian territory is shown from the position of Berge , and is likely in other cases, e.g. Haison. From Therme, Archestratos moved on to Pydna, presumably by sea, and laid siege to it. Here he was joined by substantial reinforcements, while at the same time the situation in Chalkidike became increasingly embarrassing, so that a peace and a reinsurance alliance were seen by both sides to be ‘imperative’ . When these had been concluded, the Athenians moved against Poteidaia. (shrink)

It was with this bitter intervention from Thrasymachus, occurring halfway through the first of its ten Books, that that work begins to come urgently alive. For the remainder of Book I the Socrates of the Dialogue asks questions and raises objections, while Thrasymachus keeps urging that in fact the just become through their very justice the victims of exploitation–the suckers!

It is commonly assumed that personalization technologies used by Google for the purpose of tailoring search results for individual users create filter bubbles, which reinforce users’ political views. Surprisingly, empirical evidence for a personalization-induced filter bubble has not been forthcoming. Here, we investigate whether filter bubbles may result instead from a searcher’s choice of search queries. In the first experiment, participants rated the left-right leaning of 48 queries (search strings), 6 for each of 8 topics (abortion, benefits, climate change, sex (...) equality, immigration, nuclear family, Islam, and taxation). An independent sample of participants were then asked to select one of these queries for each of the 8 topics. With the exception of the topic of Islam, participants were significantly more likely to select a query corresponding to their own political leaning, compared to other queries, explaining between 12% and 39% of the variance. A second experiment investigated the effect of the political leaning of the same queries on the overall political leaning of Search Engine Result Pages (SERPs) in Google Search. The top six results of each SERP were rated collectively by a third group of participants, explaining 36.3% of the variance across all 48 search terms (p < .00001). That is, (1) participants in our experiments tended to select own-side search queries, and (2) using those queries tended to yield own-side search results when using the Google search engine. Our results are consistent with the notion of a self-imposed filter bubble in which query selection plays a salient role. (shrink)